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[httpd] Major refactor of the httpd request handling 

Make it easier to add new parameters later, get rid of redundant code, clean
up, align between httpd_xxx modules and introduce new bugs. Yes, the refactor
got a bit out of hand.
This commit is contained in:
ejurgensen 2017-11-04 21:24:42 +01:00
parent 0ebdd89715
commit 709d99d4c4
12 changed files with 1487 additions and 1657 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

202
src/httpd.c
View File

@ -43,7 +43,8 @@
# include <sys/eventfd.h>
#endif
#include <event2/event.h>
#include <event2/keyvalq_struct.h>
#include <event2/http.h>
#include <event2/http_struct.h>
#ifdef HAVE_LIBEVENT2_OLD
# include <event2/bufferevent.h>
# include <event2/bufferevent_struct.h>
@ -453,6 +454,99 @@ stream_fail_cb(struct evhttp_connection *evcon, void *arg)
}
void
httpd_uri_free(struct httpd_uri_parsed *parsed)
{
if (!parsed)
return;
free(parsed->uri_decoded);
free(parsed->path);
free(parsed->path_parts[0]);
evhttp_clear_headers(&(parsed->ev_query));
if (parsed->ev_uri)
evhttp_uri_free(parsed->ev_uri);
free(parsed);
}
struct httpd_uri_parsed *
httpd_uri_parse(const char *uri)
{
struct httpd_uri_parsed *parsed;
const char *path;
const char *query;
char *ptr;
int i;
int ret;
CHECK_NULL(L_HTTPD, parsed = calloc(1, sizeof(struct httpd_uri_parsed)));
parsed->uri = uri;
parsed->ev_uri = evhttp_uri_parse_with_flags(parsed->uri, EVHTTP_URI_NONCONFORMANT);
if (!parsed->ev_uri)
{
DPRINTF(E_LOG, L_HTTPD, "Could not parse request: '%s'\n", parsed->uri);
goto error;
}
parsed->uri_decoded = evhttp_uridecode(parsed->uri, 0, NULL);
if (!parsed->uri_decoded)
{
DPRINTF(E_LOG, L_HTTPD, "Could not URI decode request: '%s'\n", parsed->uri);
goto error;
}
query = evhttp_uri_get_query(parsed->ev_uri);
if (query)
{
ret = evhttp_parse_query_str(query, &(parsed->ev_query));
if (ret < 0)
{
DPRINTF(E_LOG, L_DAAP, "Invalid query '%s' in request: '%s'\n", query, parsed->uri);
goto error;
}
}
path = evhttp_uri_get_path(parsed->ev_uri);
if (!path)
{
DPRINTF(E_WARN, L_HTTPD, "No path in request: '%s'\n", parsed->uri);
return parsed;
}
parsed->path = evhttp_uridecode(path, 0, NULL);
if (!parsed->path)
{
DPRINTF(E_LOG, L_HTTPD, "Could not URI decode path: '%s'\n", path);
goto error;
}
CHECK_NULL(L_HTTPD, parsed->path_parts[0] = strdup(parsed->path));
strtok_r(parsed->path_parts[0], "/", &ptr);
for (i = 1; (i < sizeof(parsed->path_parts) / sizeof(parsed->path_parts[0])) && parsed->path_parts[i - 1]; i++)
{
parsed->path_parts[i] = strtok_r(NULL, "/", &ptr);
}
if (!parsed->path_parts[0] || parsed->path_parts[i - 1] || (i < 2))
{
DPRINTF(E_LOG, L_HTTPD, "URI path has too many/few components (%d): '%s'\n", (parsed->path_parts[0]) ? i : 0, parsed->path);
goto error;
}
return parsed;
error:
httpd_uri_free(parsed);
return NULL;
}
/* Thread: httpd */
void
httpd_stream_file(struct evhttp_request *req, int id)
@ -923,7 +1017,7 @@ redirect_to_admin(struct evhttp_request *req)
/* Thread: httpd */
static void
redirect_to_index(struct evhttp_request *req, char *uri)
redirect_to_index(struct evhttp_request *req, const char *uri)
{
struct evkeyvalq *headers;
char buf[256];
@ -986,7 +1080,7 @@ httpd_admin_check_auth(struct evhttp_request *req)
/* Thread: httpd */
static void
serve_file(struct evhttp_request *req, char *uri)
serve_file(struct evhttp_request *req, const char *uri)
{
char *ext;
char path[PATH_MAX];
@ -1179,9 +1273,12 @@ httpd_gen_cb(struct evhttp_request *req, void *arg)
{
struct evkeyvalq *input_headers;
struct evkeyvalq *output_headers;
const char *req_uri;
char *uri;
char *ptr;
struct httpd_uri_parsed *parsed;
const char *uri;
// Clear the proxy request flag set by evhttp if the request URI was absolute.
// It has side-effects on Connection: keep-alive
req->flags &= ~EVHTTP_PROXY_REQUEST;
// Did we get a CORS preflight request?
input_headers = evhttp_request_get_input_headers(req);
@ -1203,66 +1300,55 @@ httpd_gen_cb(struct evhttp_request *req, void *arg)
return;
}
req_uri = evhttp_request_get_uri(req);
if (!req_uri || strcmp(req_uri, "/") == 0)
uri = evhttp_request_get_uri(req);
if (!uri)
{
DPRINTF(E_WARN, L_HTTPD, "No URI in request\n");
redirect_to_admin(req);
return;
}
uri = strdup(req_uri);
ptr = strchr(uri, '?');
if (ptr)
parsed = httpd_uri_parse(uri);
if (!parsed || !parsed->path || (strcmp(parsed->path, "/") == 0))
{
DPRINTF(E_SPAM, L_HTTPD, "Found query string\n");
*ptr = '\0';
}
ptr = uri;
uri = evhttp_decode_uri(uri);
free(ptr);
/* Dispatch protocol-specific URIs */
if (rsp_is_request(req, uri))
{
rsp_request(req);
goto out;
}
else if (daap_is_request(req, uri))
{
daap_request(req);
goto out;
}
else if (dacp_is_request(req, uri))
{
dacp_request(req);
goto out;
}
else if (jsonapi_is_request(req, uri))
{
jsonapi_request(req);
goto out;
}
else if (streaming_is_request(req, uri))
{
streaming_request(req);
redirect_to_admin(req);
goto out;
}
DPRINTF(E_DBG, L_HTTPD, "HTTP request: %s\n", uri);
/* Dispatch protocol-specific handlers */
if (dacp_is_request(parsed->path))
{
dacp_request(req, parsed);
goto out;
}
else if (daap_is_request(parsed->path))
{
daap_request(req, parsed);
goto out;
}
else if (jsonapi_is_request(parsed->path))
{
jsonapi_request(req, parsed);
goto out;
}
else if (streaming_is_request(parsed->path))
{
streaming_request(req, parsed);
goto out;
}
else if (rsp_is_request(parsed->path))
{
rsp_request(req, parsed);
goto out;
}
DPRINTF(E_DBG, L_HTTPD, "HTTP request: '%s'\n", parsed->uri);
/* Serve web interface files */
serve_file(req, uri);
serve_file(req, parsed->path);
out:
free(uri);
httpd_uri_free(parsed);
}
/* Thread: httpd */
@ -1298,7 +1384,7 @@ exit_cb(int fd, short event, void *arg)
httpd_exit = 1;
}
char *
/*static char *
httpd_fixup_uri(struct evhttp_request *req)
{
struct evkeyvalq *headers;
@ -1314,7 +1400,7 @@ httpd_fixup_uri(struct evhttp_request *req)
if (!uri)
return NULL;
/* No query string, nothing to do */
// No query string, nothing to do
q = strchr(uri, '?');
if (!q)
return strdup(uri);
@ -1329,8 +1415,8 @@ httpd_fixup_uri(struct evhttp_request *req)
&& (strncmp(ua, "Roku", strlen("Roku")) != 0))
return strdup(uri);
/* Reencode + as %2B and space as + in the query,
which iTunes and Roku devices don't do */
// Reencode + as %2B and space as + in the query,
// which iTunes and Roku devices don't do
len = strlen(uri);
u = q;
@ -1377,7 +1463,7 @@ httpd_fixup_uri(struct evhttp_request *req)
*f = '\0';
return fixed;
}
}*/
static const char *http_reply_401 = "<html><head><title>401 Unauthorized</title></head><body>Authorization required</body></html>";

41
src/httpd.h
View File

@ -4,6 +4,7 @@
#include <event2/http.h>
#include <event2/buffer.h>
#include <event2/keyvalq_struct.h>
#include <stdbool.h>
enum httpd_send_flags
@ -11,6 +12,43 @@ enum httpd_send_flags
HTTPD_SEND_NO_GZIP = (1 << 0),
};
/*
* Contains a parsed version of the URI httpd got. The URI may have been
* complete:
* scheme:[//[user[:password]@]host[:port]][/path][?query][#fragment]
* or relative:
* [/path][?query][#fragment]
*
* We are interested in the path and the query, so they are disassembled to
* path_parts and ev_query. If the request is http://x:3689/foo/bar?key1=val1,
* then part_parts[1] is "foo", [2] is "bar" and the rest is null (the first
* element points to the copy of the path so it can be freed).
*
* The allocated strings are URI decoded.
*/
struct httpd_uri_parsed
{
const char *uri;
struct evhttp_uri *ev_uri;
struct evkeyvalq ev_query;
char *uri_decoded;
char *path;
char *path_parts[7];
};
/*
* Helper to free the parsed uri struct
*/
void
httpd_uri_free(struct httpd_uri_parsed *parsed);
/*
* Parse an URI into the struct
*/
struct httpd_uri_parsed *
httpd_uri_parse(const char *uri);
void
httpd_stream_file(struct evhttp_request *req, int id);
@ -53,9 +91,6 @@ httpd_send_reply(struct evhttp_request *req, int code, const char *reason, struc
void
httpd_send_error(struct evhttp_request *req, int error, const char *reason);
char *
httpd_fixup_uri(struct evhttp_request *req);
int
httpd_basic_auth(struct evhttp_request *req, const char *user, const char *passwd, const char *realm);

353
src/httpd_daap.c
View File

@ -42,22 +42,19 @@
#include <uninorm.h>
#include <unistd.h>
#include <event2/event.h>
#include "httpd_daap.h"
#include "logger.h"
#include "db.h"
#include "conffile.h"
#include "misc.h"
#include "httpd.h"
#include "transcode.h"
#include "artwork.h"
#include "httpd_daap.h"
#include "daap_query.h"
#include "dmap_common.h"
#include "cache.h"
#include <event2/event.h>
#include <event2/buffer.h>
#include <event2/http_struct.h>
#include <event2/keyvalq_struct.h>
/* httpd event base, from httpd.c */
extern struct event_base *evbase_httpd;
@ -105,20 +102,16 @@ struct daap_session {
// Will be filled out by daap_request_parse()
struct daap_request {
// The request URI
const char *source_uri;
// http request struct - null when the request is from daap_reply_build(), i.e. the cache
struct evhttp_request *req;
// If the request is http://x:3689/foo/bar?key1=val1, then path is "foo/bar"
const char *path;
// If the request is http://x:3689/foo/bar?key1=val1, then part_part[1] is "foo", [2] is "bar" and the rest is null
char *path_parts[7];
// A the request query was ?key1=val1&key2=val2 then this will be parsed into this struct
struct evkeyvalq query;
// User-agent
const char *user_agent;
// Was the request made by a remote, e.g. Apple Remote
bool is_remote;
// The parsed request URI given to us by httpd.c
struct httpd_uri_parsed *uri_parsed;
// Shortcut to &uri_parsed->ev_query
struct evkeyvalq *query;
// http request struct - null when the request is from daap_reply_build(), i.e. the cache
struct evhttp_request *req;
// Pointer to the session matching the request
struct daap_session *session;
// A pointer to the handler that will process the request
@ -507,112 +500,32 @@ daap_sort_finalize(struct sort_ctx *ctx)
/* ----------------------------- OTHER HELPERS ------------------------------ */
/* Remotes are clients that will issue DACP commands. For these clients we will
* do the playback, and we will not stream to them. This is a crude function to
* identify them, so we can give them appropriate treatment.
*/
static bool
is_remote(const char *user_agent)
{
if (!user_agent)
return false;
if (strcasestr(user_agent, "remote"))
return true;
if (strstr(user_agent, "Retune"))
return true;
return false;
}
static char *
uri_relative(char *uri, const char *protocol)
{
char *ret;
if (strncmp(uri, protocol, strlen(protocol)) != 0)
return NULL;
ret = strchr(uri + strlen(protocol), '/');
if (!ret)
{
DPRINTF(E_LOG, L_DAAP, "Malformed DAAP Request URI '%s'\n", uri);
return NULL;
}
return ret;
}
static char *
daap_fix_request_uri(struct evhttp_request *req, char *uri)
{
char *ret;
/* iTunes 9 gives us an absolute request-uri like
* daap://10.1.1.20:3689/server-info
* iTunes 12.1 gives us an absolute request-uri for streaming like
* http://10.1.1.20:3689/databases/1/items/1.mp3
*/
if ( (ret = uri_relative(uri, "daap://")) || (ret = uri_relative(uri, "http://")) )
{
/* Clear the proxy request flag set by evhttp
* due to the request URI being absolute.
* It has side-effects on Connection: keep-alive
*/
req->flags &= ~EVHTTP_PROXY_REQUEST;
return ret;
}
return uri;
}
/* Returns eg /databases/1/containers from /databases/1/containers?meta=dmap.item... */
static char *
extract_uri(char *full_uri)
{
char *uri;
char *ptr;
ptr = strchr(full_uri, '?');
if (ptr)
*ptr = '\0';
uri = strdup(full_uri);
if (ptr)
*ptr = '?';
if (!uri)
return NULL;
ptr = uri;
uri = evhttp_decode_uri(uri);
free(ptr);
return uri;
}
/* We try not to return items that the client cannot play (like Spotify and
* internet streams in iTunes), or which are inappropriate (like internet streams
* in the album tab of remotes)
* in the album tab of remotes). Note that the function must never append a
* filter if the SELECT is not from the files table.
*/
static void
user_agent_filter(struct query_params *qp, struct daap_request *dreq)
{
char *filter;
if (!(qp->type == Q_ITEMS || (qp->type & Q_F_BROWSE)))
return;
if (dreq->is_remote)
{
if (qp->filter)
filter = safe_asprintf("%s AND (f.data_kind <> %d)", qp->filter, DATA_KIND_HTTP);
else
filter = safe_asprintf("(f.data_kind <> %d)", DATA_KIND_HTTP);
// This makes sure 1) the SELECT is from files, 2) that the Remote query
// contained extended_media_kind:1, which characterise the queries we want
// to filter. TODO: Not a really nice way of doing this, but best I could
// think of.
if (!qp->filter || !strstr(qp->filter, "f.media_kind"))
return;
filter = safe_asprintf("%s AND (f.data_kind <> %d)", qp->filter, DATA_KIND_HTTP);
}
else
{
if (qp->type != Q_ITEMS)
return;
if (qp->filter)
filter = safe_asprintf("%s AND (f.data_kind = %d)", qp->filter, DATA_KIND_FILE);
else
@ -639,7 +552,7 @@ query_params_set(struct query_params *qp, int *sort_headers, struct daap_request
memset(qp, 0, sizeof(struct query_params));
param = evhttp_find_header(&dreq->query, "index");
param = evhttp_find_header(dreq->query, "index");
if (param)
{
if (param[0] == '-') /* -n, last n entries */
@ -685,7 +598,7 @@ query_params_set(struct query_params *qp, int *sort_headers, struct daap_request
qp->idx_type = I_SUB;
qp->sort = S_NONE;
param = evhttp_find_header(&dreq->query, "sort");
param = evhttp_find_header(dreq->query, "sort");
if (param)
{
if (strcmp(param, "name") == 0)
@ -706,7 +619,7 @@ query_params_set(struct query_params *qp, int *sort_headers, struct daap_request
if (sort_headers)
{
*sort_headers = 0;
param = evhttp_find_header(&dreq->query, "include-sort-headers");
param = evhttp_find_header(dreq->query, "include-sort-headers");
if (param && (strcmp(param, "1") == 0))
{
*sort_headers = 1;
@ -714,9 +627,9 @@ query_params_set(struct query_params *qp, int *sort_headers, struct daap_request
}
}
param = evhttp_find_header(&dreq->query, "query");
param = evhttp_find_header(dreq->query, "query");
if (!param)
param = evhttp_find_header(&dreq->query, "filter");
param = evhttp_find_header(dreq->query, "filter");
if (param)
{
@ -832,14 +745,11 @@ daap_reply_send(struct evhttp_request *req, struct evbuffer *reply, enum daap_re
}
static struct daap_request *
daap_request_parse(const char *source_uri, const char *user_agent, struct evhttp_request *req)
daap_request_parse(struct evhttp_request *req, struct httpd_uri_parsed *uri_parsed, const char *user_agent)
{
struct daap_request *dreq;
struct evkeyvalq *headers;
struct evhttp_uri *uri;
const char *query;
const char *param;
char *ptr;
int32_t id;
int ret;
int i;
@ -847,32 +757,18 @@ daap_request_parse(const char *source_uri, const char *user_agent, struct evhttp
CHECK_NULL(L_DAAP, dreq = calloc(1, sizeof(struct daap_request)));
dreq->req = req;
dreq->source_uri = source_uri;
dreq->uri_parsed = uri_parsed;
dreq->query = &(uri_parsed->ev_query);
if (user_agent)
dreq->user_agent = user_agent;
else if (req && (headers = evhttp_request_get_input_headers(req)))
dreq->user_agent = evhttp_find_header(headers, "User-Agent");
uri = evhttp_uri_parse_with_flags(source_uri, EVHTTP_URI_NONCONFORMANT);
if (!uri)
{
DPRINTF(E_LOG, L_DAAP, "Could not parse URI in DAAP request: '%s'\n", source_uri);
free(dreq);
return NULL;
}
// Find a handler for the path (note, path includes the leading '/')
dreq->path = evhttp_uri_get_path(uri);
if (!dreq->path || dreq->path[0] == '\0')
{
DPRINTF(E_LOG, L_DAAP, "Missing path in the DAAP request: '%s'\n", source_uri);
goto error;
}
// Find a handler for the path
for (i = 0; daap_handlers[i].handler; i++)
{
ret = regexec(&daap_handlers[i].preg, dreq->path, 0, NULL, 0);
ret = regexec(&daap_handlers[i].preg, uri_parsed->path, 0, NULL, 0);
if (ret == 0)
{
dreq->handler = daap_handlers[i].handler;
@ -882,27 +778,18 @@ daap_request_parse(const char *source_uri, const char *user_agent, struct evhttp
if (!dreq->handler)
{
DPRINTF(E_LOG, L_DAAP, "Unrecognized path '%s' in DAAP request: '%s'\n", dreq->path, source_uri);
goto error;
}
// Parse the query
query = evhttp_uri_get_query(uri);
ret = evhttp_parse_query_str(query, &dreq->query);
if (ret < 0)
{
DPRINTF(E_LOG, L_DAAP, "Invalid query '%s' in DAAP request: '%s'\n", query, source_uri);
DPRINTF(E_LOG, L_DAAP, "Unrecognized path '%s' in DAAP request: '%s'\n", uri_parsed->path, uri_parsed->uri);
goto error;
}
// Check if we have a session
param = evhttp_find_header(&dreq->query, "session-id");
param = evhttp_find_header(dreq->query, "session-id");
if (param)
{
ret = safe_atoi32(param, &id);
if (ret < 0)
{
DPRINTF(E_LOG, L_DAAP, "Invalid session id in DAAP request: '%s'\n", source_uri);
DPRINTF(E_LOG, L_DAAP, "Invalid session id in DAAP request: '%s'\n", uri_parsed->uri);
goto error;
}
@ -910,48 +797,17 @@ daap_request_parse(const char *source_uri, const char *user_agent, struct evhttp
}
// Are we making a reply for a remote?
param = evhttp_find_header(&dreq->query, "pairing-guid");
param = evhttp_find_header(dreq->query, "pairing-guid");
dreq->is_remote = (param || (dreq->session && dreq->session->is_remote));
// Copy path and split it in parts
CHECK_NULL(L_DAAP, dreq->path_parts[0] = strdup(dreq->path));
strtok_r(dreq->path_parts[0], "/", &ptr);
for (i = 1; (i < sizeof(dreq->path_parts) / sizeof(dreq->path_parts[0])) && dreq->path_parts[i - 1]; i++)
{
dreq->path_parts[i] = strtok_r(NULL, "/", &ptr);
}
if (!dreq->path_parts[0] || dreq->path_parts[i - 1] || (i < 2))
{
DPRINTF(E_LOG, L_DAAP, "DAAP URI has too many/few components (%d): '%s'\n", (dreq->path_parts[0]) ? i : 0, dreq->path);
goto error;
}
evhttp_uri_free(uri);
return dreq;
error:
evhttp_clear_headers(&dreq->query);
free(dreq->path_parts[0]);
evhttp_uri_free(uri);
free(dreq);
return NULL;
}
static void
daap_request_free(struct daap_request *dreq)
{
if (!dreq)
return;
evhttp_clear_headers(&dreq->query);
free(dreq->path_parts[0]);
free(dreq);
}
static int
daap_request_authorize(struct daap_request *dreq)
{
@ -962,12 +818,12 @@ daap_request_authorize(struct daap_request *dreq)
if (cfg_getbool(cfg_getsec(cfg, "general"), "promiscuous_mode"))
return 0;
param = evhttp_find_header(&dreq->query, "session-id");
param = evhttp_find_header(dreq->query, "session-id");
if (param)
{
if (!dreq->session)
{
DPRINTF(E_LOG, L_DAAP, "DAAP session not found: '%s'\n", dreq->source_uri);
DPRINTF(E_LOG, L_DAAP, "DAAP session not found: '%s'\n", dreq->uri_parsed->uri);
return -1;
}
@ -980,11 +836,11 @@ daap_request_authorize(struct daap_request *dreq)
return 0;
// If no valid session then we may need to authenticate
if ((strcmp(dreq->path, "/server-info") == 0)
|| (strcmp(dreq->path, "/login") == 0)
|| (strcmp(dreq->path, "/logout") == 0)
|| (strcmp(dreq->path, "/content-codes") == 0)
|| (strncmp(dreq->path, "/databases/1/items/", strlen("/databases/1/items/")) == 0))
if ((strcmp(dreq->uri_parsed->path, "/server-info") == 0)
|| (strcmp(dreq->uri_parsed->path, "/login") == 0)
|| (strcmp(dreq->uri_parsed->path, "/logout") == 0)
|| (strcmp(dreq->uri_parsed->path, "/content-codes") == 0)
|| (strncmp(dreq->uri_parsed->path, "/databases/1/items/", strlen("/databases/1/items/")) == 0))
return 0; // No authentication
DPRINTF(E_DBG, L_DAAP, "Checking authentication for library\n");
@ -1155,7 +1011,7 @@ daap_reply_login(struct evbuffer *reply, struct daap_request *dreq)
CHECK_ERR(L_DAAP, evbuffer_expand(reply, 32));
is_remote = (param = evhttp_find_header(&dreq->query, "pairing-guid"));
is_remote = (param = evhttp_find_header(dreq->query, "pairing-guid"));
if (param && !cfg_getbool(cfg_getsec(cfg, "general"), "promiscuous_mode"))
{
if (strlen(param) < 3)
@ -1186,7 +1042,7 @@ daap_reply_login(struct evbuffer *reply, struct daap_request *dreq)
DPRINTF(E_INFO, L_DAAP, "Client (unknown user-agent) logging in\n");
}
param = evhttp_find_header(&dreq->query, "request-session-id");
param = evhttp_find_header(dreq->query, "request-session-id");
if (param)
{
ret = safe_atoi32(param, &request_session_id);
@ -1241,7 +1097,7 @@ daap_reply_update(struct evbuffer *reply, struct daap_request *dreq)
return DAAP_REPLY_NO_CONNECTION;
}
param = evhttp_find_header(&dreq->query, "revision-number");
param = evhttp_find_header(dreq->query, "revision-number");
if (!param)
{
DPRINTF(E_DBG, L_DAAP, "Missing revision-number in client update request\n");
@ -1440,7 +1296,7 @@ daap_reply_songlist_generic(struct evbuffer *reply, struct daap_request *dreq, i
CHECK_ERR(L_DAAP, evbuffer_expand(songlist, 4096));
CHECK_ERR(L_DAAP, evbuffer_expand(song, 512));
param = evhttp_find_header(&dreq->query, "meta");
param = evhttp_find_header(dreq->query, "meta");
if (!param)
{
DPRINTF(E_DBG, L_DAAP, "No meta parameter in query, using default\n");
@ -1601,7 +1457,7 @@ daap_reply_plsonglist(struct evbuffer *reply, struct daap_request *dreq)
int playlist;
int ret;
ret = safe_atoi32(dreq->path_parts[3], &playlist);
ret = safe_atoi32(dreq->uri_parsed->path_parts[3], &playlist);
if (ret < 0)
{
dmap_error_make(reply, "apso", "Invalid playlist ID");
@ -1638,7 +1494,7 @@ daap_reply_playlists(struct evbuffer *reply, struct daap_request *dreq)
cfg_radiopl = cfg_getbool(cfg_getsec(cfg, "library"), "radio_playlists");
ret = safe_atoi32(dreq->path_parts[1], &database);
ret = safe_atoi32(dreq->uri_parsed->path_parts[1], &database);
if (ret < 0)
{
dmap_error_make(reply, "aply", "Invalid database ID");
@ -1655,7 +1511,7 @@ daap_reply_playlists(struct evbuffer *reply, struct daap_request *dreq)
CHECK_ERR(L_DAAP, evbuffer_expand(playlistlist, 1024));
CHECK_ERR(L_DAAP, evbuffer_expand(playlist, 128));
param = evhttp_find_header(&dreq->query, "meta");
param = evhttp_find_header(dreq->query, "meta");
if (!param)
{
DPRINTF(E_LOG, L_DAAP, "No meta parameter in query, using default\n");
@ -1853,7 +1709,7 @@ daap_reply_groups(struct evbuffer *reply, struct daap_request *dreq)
int i;
int ret;
param = evhttp_find_header(&dreq->query, "group-type");
param = evhttp_find_header(dreq->query, "group-type");
if (strcmp(param, "artists") == 0)
{
// Request from Remote may have the form:
@ -1881,7 +1737,7 @@ daap_reply_groups(struct evbuffer *reply, struct daap_request *dreq)
CHECK_ERR(L_DAAP, evbuffer_expand(grouplist, 1024));
CHECK_ERR(L_DAAP, evbuffer_expand(group, 128));
param = evhttp_find_header(&dreq->query, "meta");
param = evhttp_find_header(dreq->query, "meta");
if (!param)
{
DPRINTF(E_LOG, L_DAAP, "No meta parameter in query, using default\n");
@ -2060,25 +1916,25 @@ daap_reply_browse(struct evbuffer *reply, struct daap_request *dreq)
int nitems;
int ret;
if (strcmp(dreq->path_parts[3], "artists") == 0)
if (strcmp(dreq->uri_parsed->path_parts[3], "artists") == 0)
{
tag = "abar";
query_params_set(&qp, &sort_headers, dreq, Q_BROWSE_ARTISTS);
qp.sort = S_ARTIST;
}
else if (strcmp(dreq->path_parts[3], "albums") == 0)
else if (strcmp(dreq->uri_parsed->path_parts[3], "albums") == 0)
{
tag = "abal";
query_params_set(&qp, &sort_headers, dreq, Q_BROWSE_ALBUMS);
qp.sort = S_ALBUM;
}
else if (strcmp(dreq->path_parts[3], "genres") == 0)
else if (strcmp(dreq->uri_parsed->path_parts[3], "genres") == 0)
{
tag = "abgn";
query_params_set(&qp, &sort_headers, dreq, Q_BROWSE_GENRES);
qp.sort = S_GENRE;
}
else if (strcmp(dreq->path_parts[3], "composers") == 0)
else if (strcmp(dreq->uri_parsed->path_parts[3], "composers") == 0)
{
tag = "abcp";
query_params_set(&qp, &sort_headers, dreq, Q_BROWSE_COMPOSERS);
@ -2086,7 +1942,7 @@ daap_reply_browse(struct evbuffer *reply, struct daap_request *dreq)
}
else
{
DPRINTF(E_LOG, L_DAAP, "Invalid DAAP browse request type '%s'\n", dreq->path_parts[3]);
DPRINTF(E_LOG, L_DAAP, "Invalid DAAP browse request type '%s'\n", dreq->uri_parsed->path_parts[3]);
dmap_error_make(reply, "abro", "Invalid browse type");
return DAAP_REPLY_ERROR;
}
@ -2191,16 +2047,16 @@ daap_reply_extra_data(struct evbuffer *reply, struct daap_request *dreq)
return DAAP_REPLY_NO_CONNECTION;
}
ret = safe_atoi32(dreq->path_parts[3], &id);
ret = safe_atoi32(dreq->uri_parsed->path_parts[3], &id);
if (ret < 0)
{
DPRINTF(E_LOG, L_DAAP, "Could not convert id parameter to integer: '%s'\n", dreq->path_parts[3]);
DPRINTF(E_LOG, L_DAAP, "Could not convert id parameter to integer: '%s'\n", dreq->uri_parsed->path_parts[3]);
return DAAP_REPLY_BAD_REQUEST;
}
if (evhttp_find_header(&dreq->query, "mw") && evhttp_find_header(&dreq->query, "mh"))
if (evhttp_find_header(dreq->query, "mw") && evhttp_find_header(dreq->query, "mh"))
{
param = evhttp_find_header(&dreq->query, "mw");
param = evhttp_find_header(dreq->query, "mw");
ret = safe_atoi32(param, &max_w);
if (ret < 0)
{
@ -2208,7 +2064,7 @@ daap_reply_extra_data(struct evbuffer *reply, struct daap_request *dreq)
return DAAP_REPLY_BAD_REQUEST;
}
param = evhttp_find_header(&dreq->query, "mh");
param = evhttp_find_header(dreq->query, "mh");
ret = safe_atoi32(param, &max_h);
if (ret < 0)
{
@ -2224,9 +2080,9 @@ daap_reply_extra_data(struct evbuffer *reply, struct daap_request *dreq)
max_h = 0;
}
if (strcmp(dreq->path_parts[2], "groups") == 0)
if (strcmp(dreq->uri_parsed->path_parts[2], "groups") == 0)
ret = artwork_get_group(reply, id, max_w, max_h);
else if (strcmp(dreq->path_parts[2], "items") == 0)
else if (strcmp(dreq->uri_parsed->path_parts[2], "items") == 0)
ret = artwork_get_item(reply, id, max_w, max_h);
len = evbuffer_get_length(reply);
@ -2272,7 +2128,7 @@ daap_stream(struct evbuffer *reply, struct daap_request *dreq)
return DAAP_REPLY_NO_CONNECTION;
}
ret = safe_atoi32(dreq->path_parts[3], &id);
ret = safe_atoi32(dreq->uri_parsed->path_parts[3], &id);
if (ret < 0)
return DAAP_REPLY_BAD_REQUEST;
@ -2448,33 +2304,25 @@ static struct uri_map daap_handlers[] =
/* ------------------------------- DAAP API --------------------------------- */
/* iTunes 9 gives us an absolute request-uri like
* daap://10.1.1.20:3689/server-info
* iTunes 12.1 gives us an absolute request-uri for streaming like
* http://10.1.1.20:3689/databases/1/items/1.mp3
*/
void
daap_request(struct evhttp_request *req)
daap_request(struct evhttp_request *req, struct httpd_uri_parsed *uri_parsed)
{
struct daap_request *dreq;
struct evkeyvalq *headers;
struct timespec start;
struct timespec end;
struct evbuffer *reply;
const char *source_uri;
int ret;
int msec;
// Clear the proxy request flag set by evhttp if the request URI was absolute.
// It has side-effects on Connection: keep-alive
req->flags &= ~EVHTTP_PROXY_REQUEST;
DPRINTF(E_DBG, L_DAAP, "DAAP request: '%s'\n", uri_parsed->uri);
source_uri = evhttp_request_get_uri(req);
if (!source_uri)
{
DPRINTF(E_LOG, L_DAAP, "Could not get source URI from DAAP request\n");
httpd_send_error(req, HTTP_BADREQUEST, "Bad Request");
return;
}
DPRINTF(E_DBG, L_DAAP, "DAAP request: %s\n", source_uri);
dreq = daap_request_parse(source_uri, NULL, req);
dreq = daap_request_parse(req, uri_parsed, NULL);
if (!dreq)
{
httpd_send_error(req, HTTP_BADREQUEST, "Bad Request");
@ -2485,7 +2333,7 @@ daap_request(struct evhttp_request *req)
if (ret < 0)
{
httpd_send_error(req, 403, "Forbidden");
daap_request_free(dreq);
free(dreq);
return;
}
@ -2503,7 +2351,7 @@ daap_request(struct evhttp_request *req)
CHECK_NULL(L_DAAP, reply = evbuffer_new());
// Try the cache
ret = cache_daap_get(reply, source_uri);
ret = cache_daap_get(reply, uri_parsed->uri);
if (ret == 0)
{
// The cache will return the data gzipped, so httpd_send_reply won't need to do it
@ -2511,7 +2359,7 @@ daap_request(struct evhttp_request *req)
httpd_send_reply(req, HTTP_OK, "OK", reply, HTTPD_SEND_NO_GZIP); // TODO not all want this reply
evbuffer_free(reply);
daap_request_free(dreq);
free(dreq);
return;
}
@ -2525,38 +2373,34 @@ daap_request(struct evhttp_request *req)
DPRINTF(E_DBG, L_DAAP, "DAAP request handled in %d milliseconds\n", msec);
if (ret == DAAP_REPLY_OK && msec > cache_daap_threshold())
cache_daap_add(source_uri, dreq->user_agent, msec);
cache_daap_add(uri_parsed->uri, dreq->user_agent, msec);
evbuffer_free(reply);
daap_request_free(dreq);
free(dreq);
}
int
daap_is_request(struct evhttp_request *req, char *uri)
daap_is_request(const char *path)
{
uri = daap_fix_request_uri(req, uri);
if (!uri)
return 0;
if (strncmp(uri, "/databases/", strlen("/databases/")) == 0)
if (strncmp(path, "/databases/", strlen("/databases/")) == 0)
return 1;
if (strcmp(uri, "/databases") == 0)
if (strcmp(path, "/databases") == 0)
return 1;
if (strcmp(uri, "/server-info") == 0)
if (strcmp(path, "/server-info") == 0)
return 1;
if (strcmp(uri, "/content-codes") == 0)
if (strcmp(path, "/content-codes") == 0)
return 1;
if (strcmp(uri, "/login") == 0)
if (strcmp(path, "/login") == 0)
return 1;
if (strcmp(uri, "/update") == 0)
if (strcmp(path, "/update") == 0)
return 1;
if (strcmp(uri, "/activity") == 0)
if (strcmp(path, "/activity") == 0)
return 1;
if (strcmp(uri, "/logout") == 0)
if (strcmp(path, "/logout") == 0)
return 1;
#ifdef DMAP_TEST
if (strcmp(uri, "/dmap-test") == 0)
if (strcmp(path, "/dmap-test") == 0)
return 1;
#endif
@ -2577,32 +2421,39 @@ daap_session_is_valid(int id)
}
struct evbuffer *
daap_reply_build(const char *source_uri, const char *user_agent)
daap_reply_build(const char *uri, const char *user_agent)
{
struct daap_request *dreq;
struct httpd_uri_parsed *uri_parsed;
struct evbuffer *reply;
int ret;
DPRINTF(E_DBG, L_DAAP, "Building reply for DAAP request: %s\n", source_uri);
DPRINTF(E_DBG, L_DAAP, "Building reply for DAAP request: '%s'\n", uri);
CHECK_NULL(L_DAAP, reply = evbuffer_new());
uri_parsed = httpd_uri_parse(uri);
if (!uri_parsed)
return NULL;
dreq = daap_request_parse(source_uri, user_agent, NULL);
dreq = daap_request_parse(NULL, uri_parsed, user_agent);
if (!dreq)
{
evbuffer_free(reply);
httpd_uri_free(uri_parsed);
return NULL;
}
CHECK_NULL(L_DAAP, reply = evbuffer_new());
ret = dreq->handler(reply, dreq);
if (ret < 0)
{
evbuffer_free(reply);
daap_request_free(dreq);
free(dreq);
httpd_uri_free(uri_parsed);
return NULL;
}
daap_request_free(dreq);
free(dreq);
httpd_uri_free(uri_parsed);
return reply;
}

8
src/httpd_daap.h
View File

@ -2,7 +2,7 @@
#ifndef __HTTPD_DAAP_H__
#define __HTTPD_DAAP_H__
#include <event2/http.h>
#include "httpd.h"
int
daap_init(void);
@ -11,15 +11,15 @@ void
daap_deinit(void);
void
daap_request(struct evhttp_request *req);
daap_request(struct evhttp_request *req, struct httpd_uri_parsed *uri_parsed);
int
daap_is_request(struct evhttp_request *req, char *uri);
daap_is_request(const char *path);
int
daap_session_is_valid(int id);
struct evbuffer *
daap_reply_build(const char *source_uri, const char *user_agent);
daap_reply_build(const char *uri, const char *user_agent);
#endif /* !__HTTPD_DAAP_H__ */

1333
src/httpd_dacp.c
View File

File diff suppressed because it is too large Load Diff

6
src/httpd_dacp.h
View File

@ -2,7 +2,7 @@
#ifndef __HTTPD_DACP_H__
#define __HTTPD_DACP_H__
#include <event2/http.h>
#include "httpd.h"
int
dacp_init(void);
@ -11,9 +11,9 @@ void
dacp_deinit(void);
void
dacp_request(struct evhttp_request *req);
dacp_request(struct evhttp_request *req, struct httpd_uri_parsed *uri_parsed);
int
dacp_is_request(struct evhttp_request *req, char *uri);
dacp_is_request(const char *path);
#endif /* !__HTTPD_DACP_H__ */

769
src/httpd_jsonapi.c
View File

@ -26,21 +26,16 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "httpd_jsonapi.h"
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <event2/event.h>
#include <event2/buffer.h>
#include <event2/keyvalq_struct.h>
#include <json.h>
#include <regex.h>
#include <string.h>
#include "httpd_jsonapi.h"
#include "conffile.h"
#include "db.h"
#include "httpd.h"
#ifdef LASTFM
# include "lastfm.h"
#endif
@ -54,275 +49,31 @@
# include "spotify.h"
#endif
struct json_request {
// The parsed request URI given to us by httpd.c
struct httpd_uri_parsed *uri_parsed;
// Shortcut to &uri_parsed->ev_query
struct evkeyvalq *query;
// http request struct
struct evhttp_request *req;
// A pointer to the handler that will process the request
int (*handler)(struct evbuffer *reply, struct json_request *jreq);
};
struct uri_map
{
regex_t preg;
char *regexp;
int (*handler)(struct evhttp_request *req, struct evbuffer *evbuf, char *uri, struct evkeyvalq *query);
int (*handler)(struct evbuffer *reply, struct json_request *jreq);
};
/* Forward declaration of handlers */
static struct uri_map adm_handlers[];
/* -------------------------------- HELPERS --------------------------------- */
/*
* Endpoint to retrieve configuration values
*
* Example response:
*
* {
* "websocket_port": 6603,
* "version": "25.0"
* }
*/
static int
jsonapi_reply_config(struct evhttp_request *req, struct evbuffer *evbuf, char *uri, struct evkeyvalq *query)
{
json_object *reply;
json_object *buildopts;
int websocket_port;
char **buildoptions;
int i;
int ret;
reply = json_object_new_object();
// Websocket port
#ifdef HAVE_LIBWEBSOCKETS
websocket_port = cfg_getint(cfg_getsec(cfg, "general"), "websocket_port");
#else
websocket_port = 0;
#endif
json_object_object_add(reply, "websocket_port", json_object_new_int(websocket_port));
// forked-daapd version
json_object_object_add(reply, "version", json_object_new_string(VERSION));
// enabled build options
buildopts = json_object_new_array();
buildoptions = buildopts_get();
for (i = 0; buildoptions[i]; i++)
{
json_object_array_add(buildopts, json_object_new_string(buildoptions[i]));
}
json_object_object_add(reply, "buildoptions", buildopts);
ret = evbuffer_add_printf(evbuf, "%s", json_object_to_json_string(reply));
jparse_free(reply);
if (ret < 0)
{
DPRINTF(E_LOG, L_WEB, "config: Couldn't add config data to response buffer.\n");
return -1;
}
return 0;
}
/*
* Endpoint to retrieve informations about the library
*
* Example response:
*
* {
* "artists": 84,
* "albums": 151,
* "songs": 3085,
* "db_playtime": 687824,
* "updating": false
*}
*/
static int
jsonapi_reply_library(struct evhttp_request *req, struct evbuffer *evbuf, char *uri, struct evkeyvalq *query)
{
struct query_params qp;
struct filecount_info fci;
int artists;
int albums;
bool is_scanning;
json_object *reply;
int ret;
// Fetch values for response
memset(&qp, 0, sizeof(struct query_params));
qp.type = Q_COUNT_ITEMS;
ret = db_filecount_get(&fci, &qp);
if (ret < 0)
{
DPRINTF(E_LOG, L_WEB, "library: failed to get file count info\n");
return -1;
}
artists = db_files_get_artist_count();
albums = db_files_get_album_count();
is_scanning = library_is_scanning();
// Build json response
reply = json_object_new_object();
json_object_object_add(reply, "artists", json_object_new_int(artists));
json_object_object_add(reply, "albums", json_object_new_int(albums));
json_object_object_add(reply, "songs", json_object_new_int(fci.count));
json_object_object_add(reply, "db_playtime", json_object_new_int64((fci.length / 1000)));
json_object_object_add(reply, "updating", json_object_new_boolean(is_scanning));
ret = evbuffer_add_printf(evbuf, "%s", json_object_to_json_string(reply));
jparse_free(reply);
if (ret < 0)
{
DPRINTF(E_LOG, L_WEB, "library: Couldn't add library information data to response buffer.\n");
return -1;
}
return 0;
}
/*
* Endpoint to trigger a library rescan
*/
static int
jsonapi_reply_update(struct evhttp_request *req, struct evbuffer *evbuf, char *uri, struct evkeyvalq *query)
{
library_rescan();
return 0;
}
/*
* Endpoint to retrieve information about the spotify integration
*
* Exampe response:
*
* {
* "enabled": true,
* "oauth_uri": "https://accounts.spotify.com/authorize/?client_id=...
* }
*/
static int
jsonapi_reply_spotify(struct evhttp_request *req, struct evbuffer *evbuf, char *uri, struct evkeyvalq *query)
{
json_object *reply;
int ret;
reply = json_object_new_object();
#ifdef HAVE_SPOTIFY_H
int httpd_port;
char redirect_uri[256];
char *oauth_uri;
struct spotify_status_info info;
json_object_object_add(reply, "enabled", json_object_new_boolean(true));
httpd_port = cfg_getint(cfg_getsec(cfg, "library"), "port");
snprintf(redirect_uri, sizeof(redirect_uri), "http://forked-daapd.local:%d/oauth/spotify", httpd_port);
oauth_uri = spotifywebapi_oauth_uri_get(redirect_uri);
if (!uri)
{
DPRINTF(E_LOG, L_WEB, "Cannot display Spotify oauth interface (http_form_uriencode() failed)\n");
}
else
{
json_object_object_add(reply, "oauth_uri", json_object_new_string(oauth_uri));
free(oauth_uri);
}
spotify_status_info_get(&info);
json_object_object_add(reply, "libspotify_installed", json_object_new_boolean(info.libspotify_installed));
json_object_object_add(reply, "libspotify_logged_in", json_object_new_boolean(info.libspotify_logged_in));
json_object_object_add(reply, "libspotify_user", json_object_new_string(info.libspotify_user));
json_object_object_add(reply, "webapi_token_valid", json_object_new_boolean(info.webapi_token_valid));
json_object_object_add(reply, "webapi_user", json_object_new_string(info.webapi_user));
#else
json_object_object_add(reply, "enabled", json_object_new_boolean(false));
#endif
ret = evbuffer_add_printf(evbuf, "%s", json_object_to_json_string(reply));
jparse_free(reply);
if (ret < 0)
{
DPRINTF(E_LOG, L_WEB, "spotify: Couldn't add spotify information data to response buffer.\n");
return -1;
}
return 0;
}
static int
jsonapi_reply_spotify_login(struct evhttp_request *req, struct evbuffer *evbuf, char *uri, struct evkeyvalq *query)
{
#ifdef HAVE_SPOTIFY_H
struct evbuffer *in_evbuf;
json_object* request;
const char *user;
const char *password;
char *errmsg = NULL;
json_object* reply;
json_object* errors;
int ret;
DPRINTF(E_DBG, L_WEB, "Received spotify login request\n");
in_evbuf = evhttp_request_get_input_buffer(req);
request = jparse_obj_from_evbuffer(in_evbuf);
if (!request)
{
DPRINTF(E_LOG, L_WEB, "Failed to parse incoming request\n");
return -1;
}
reply = json_object_new_object();
user = jparse_str_from_obj(request, "user");
password = jparse_str_from_obj(request, "password");
if (user && strlen(user) > 0 && password && strlen(password) > 0)
{
ret = spotify_login_user(user, password, &errmsg);
if (ret < 0)
{
json_object_object_add(reply, "success", json_object_new_boolean(false));
errors = json_object_new_object();
json_object_object_add(errors, "error", json_object_new_string(errmsg));
json_object_object_add(reply, "errors", errors);
}
else
{
json_object_object_add(reply, "success", json_object_new_boolean(true));
}
free(errmsg);
}
else
{
DPRINTF(E_LOG, L_WEB, "No user or password in spotify login post request\n");
json_object_object_add(reply, "success", json_object_new_boolean(false));
errors = json_object_new_object();
if (!user || strlen(user) == 0)
json_object_object_add(errors, "user", json_object_new_string("Username is required"));
if (!password || strlen(password) == 0)
json_object_object_add(errors, "password", json_object_new_string("Password is required"));
json_object_object_add(reply, "errors", errors);
}
ret = evbuffer_add_printf(evbuf, "%s", json_object_to_json_string(reply));
jparse_free(reply);
if (ret < 0)
{
DPRINTF(E_LOG, L_WEB, "spotify: Couldn't add spotify login data to response buffer.\n");
return -1;
}
#else
DPRINTF(E_LOG, L_WEB, "Received spotify login request but was not compiled with enable-spotify\n");
#endif
return 0;
}
/*
* Endpoint to kickoff pairing of a daap/dacp client
* Kicks off pairing of a daap/dacp client
*
* Expects the paring pin to be present in the post request body, e. g.:
*
@ -331,7 +82,7 @@ jsonapi_reply_spotify_login(struct evhttp_request *req, struct evbuffer *evbuf,
* }
*/
static int
pairing_kickoff(struct evhttp_request* req)
pairing_kickoff(struct evhttp_request *req)
{
struct evbuffer *evbuf;
json_object* request;
@ -359,7 +110,7 @@ pairing_kickoff(struct evhttp_request* req)
}
/*
* Endpoint to retrieve pairing information
* Retrieves pairing information
*
* Example response:
*
@ -372,33 +123,309 @@ static int
pairing_get(struct evbuffer *evbuf)
{
char *remote_name;
json_object *reply;
int ret;
json_object *jreply;
remote_name = remote_pairing_get_name();
reply = json_object_new_object();
CHECK_NULL(L_WEB, jreply = json_object_new_object());
if (remote_name)
{
json_object_object_add(reply, "active", json_object_new_boolean(true));
json_object_object_add(reply, "remote", json_object_new_string(remote_name));
json_object_object_add(jreply, "active", json_object_new_boolean(true));
json_object_object_add(jreply, "remote", json_object_new_string(remote_name));
}
else
{
json_object_object_add(reply, "active", json_object_new_boolean(false));
json_object_object_add(jreply, "active", json_object_new_boolean(false));
}
ret = evbuffer_add_printf(evbuf, "%s", json_object_to_json_string(reply));
jparse_free(reply);
CHECK_ERRNO(L_WEB, evbuffer_add_printf(evbuf, "%s", json_object_to_json_string(jreply)));
jparse_free(jreply);
free(remote_name);
return 0;
}
static struct json_request *
json_request_parse(struct evhttp_request *req, struct httpd_uri_parsed *uri_parsed)
{
struct json_request *jreq;
int ret;
int i;
CHECK_NULL(L_WEB, jreq = calloc(1, sizeof(struct json_request)));
jreq->req = req;
jreq->uri_parsed = uri_parsed;
jreq->query = &(uri_parsed->ev_query);
// Find a handler for the path
for (i = 0; adm_handlers[i].handler; i++)
{
ret = regexec(&adm_handlers[i].preg, uri_parsed->path, 0, NULL, 0);
if (ret == 0)
{
jreq->handler = adm_handlers[i].handler;
break;
}
}
if (!jreq->handler)
{
DPRINTF(E_LOG, L_WEB, "Unrecognized path '%s' in JSON api request: '%s'\n", uri_parsed->path, uri_parsed->uri);
goto error;
}
return jreq;
error:
free(jreq);
return NULL;
}
/* --------------------------- REPLY HANDLERS ------------------------------- */
/*
* Endpoint to retrieve configuration values
*
* Example response:
*
* {
* "websocket_port": 6603,
* "version": "25.0"
* }
*/
static int
jsonapi_reply_config(struct evbuffer *reply, struct json_request *jreq)
{
json_object *jreply;
json_object *buildopts;
int websocket_port;
char **buildoptions;
int i;
CHECK_NULL(L_WEB, jreply = json_object_new_object());
// Websocket port
#ifdef HAVE_LIBWEBSOCKETS
websocket_port = cfg_getint(cfg_getsec(cfg, "general"), "websocket_port");
#else
websocket_port = 0;
#endif
json_object_object_add(jreply, "websocket_port", json_object_new_int(websocket_port));
// forked-daapd version
json_object_object_add(jreply, "version", json_object_new_string(VERSION));
// enabled build options
buildopts = json_object_new_array();
buildoptions = buildopts_get();
for (i = 0; buildoptions[i]; i++)
{
json_object_array_add(buildopts, json_object_new_string(buildoptions[i]));
}
json_object_object_add(jreply, "buildoptions", buildopts);
CHECK_ERRNO(L_WEB, evbuffer_add_printf(reply, "%s", json_object_to_json_string(jreply)));
jparse_free(jreply);
return 0;
}
/*
* Endpoint to retrieve informations about the library
*
* Example response:
*
* {
* "artists": 84,
* "albums": 151,
* "songs": 3085,
* "db_playtime": 687824,
* "updating": false
*}
*/
static int
jsonapi_reply_library(struct evbuffer *reply, struct json_request *jreq)
{
struct query_params qp;
struct filecount_info fci;
int artists;
int albums;
bool is_scanning;
json_object *jreply;
int ret;
// Fetch values for response
memset(&qp, 0, sizeof(struct query_params));
qp.type = Q_COUNT_ITEMS;
ret = db_filecount_get(&fci, &qp);
if (ret < 0)
{
DPRINTF(E_LOG, L_WEB, "pairing: Couldn't add pairing information data to response buffer.\n");
DPRINTF(E_LOG, L_WEB, "library: failed to get file count info\n");
return -1;
}
artists = db_files_get_artist_count();
albums = db_files_get_album_count();
is_scanning = library_is_scanning();
// Build json response
CHECK_NULL(L_WEB, jreply = json_object_new_object());
json_object_object_add(jreply, "artists", json_object_new_int(artists));
json_object_object_add(jreply, "albums", json_object_new_int(albums));
json_object_object_add(jreply, "songs", json_object_new_int(fci.count));
json_object_object_add(jreply, "db_playtime", json_object_new_int64((fci.length / 1000)));
json_object_object_add(jreply, "updating", json_object_new_boolean(is_scanning));
CHECK_ERRNO(L_WEB, evbuffer_add_printf(reply, "%s", json_object_to_json_string(jreply)));
jparse_free(jreply);
return 0;
}
/*
* Endpoint to trigger a library rescan
*/
static int
jsonapi_reply_update(struct evbuffer *reply, struct json_request *jreq)
{
library_rescan();
return 0;
}
/*
* Endpoint to retrieve information about the spotify integration
*
* Exampe response:
*
* {
* "enabled": true,
* "oauth_uri": "https://accounts.spotify.com/authorize/?client_id=...
* }
*/
static int
jsonapi_reply_spotify(struct evbuffer *reply, struct json_request *jreq)
{
json_object *jreply;
CHECK_NULL(L_WEB, jreply = json_object_new_object());
#ifdef HAVE_SPOTIFY_H
int httpd_port;
char redirect_uri[256];
char *oauth_uri;
struct spotify_status_info info;
json_object_object_add(jreply, "enabled", json_object_new_boolean(true));
httpd_port = cfg_getint(cfg_getsec(cfg, "library"), "port");
snprintf(redirect_uri, sizeof(redirect_uri), "http://forked-daapd.local:%d/oauth/spotify", httpd_port);
oauth_uri = spotifywebapi_oauth_uri_get(redirect_uri);
if (!oauth_uri)
{
DPRINTF(E_LOG, L_WEB, "Cannot display Spotify oauth interface (http_form_uriencode() failed)\n");
jparse_free(jreply);
return -1;
}
json_object_object_add(jreply, "oauth_uri", json_object_new_string(oauth_uri));
free(oauth_uri);
spotify_status_info_get(&info);
json_object_object_add(jreply, "libspotify_installed", json_object_new_boolean(info.libspotify_installed));
json_object_object_add(jreply, "libspotify_logged_in", json_object_new_boolean(info.libspotify_logged_in));
json_object_object_add(jreply, "libspotify_user", json_object_new_string(info.libspotify_user));
json_object_object_add(jreply, "webapi_token_valid", json_object_new_boolean(info.webapi_token_valid));
json_object_object_add(jreply, "webapi_user", json_object_new_string(info.webapi_user));
#else
json_object_object_add(jreply, "enabled", json_object_new_boolean(false));
#endif
CHECK_ERRNO(L_WEB, evbuffer_add_printf(reply, "%s", json_object_to_json_string(jreply)));
jparse_free(jreply);
return 0;
}
static int
jsonapi_reply_spotify_login(struct evbuffer *reply, struct json_request *jreq)
{
#ifdef HAVE_SPOTIFY_H
struct evbuffer *in_evbuf;
json_object* request;
const char *user;
const char *password;
char *errmsg = NULL;
json_object* jreply;
json_object* errors;
int ret;
DPRINTF(E_DBG, L_WEB, "Received Spotify login request\n");
in_evbuf = evhttp_request_get_input_buffer(jreq->req);
request = jparse_obj_from_evbuffer(in_evbuf);
if (!request)
{
DPRINTF(E_LOG, L_WEB, "Failed to parse incoming request\n");
return -1;
}
CHECK_NULL(L_WEB, jreply = json_object_new_object());
user = jparse_str_from_obj(request, "user");
password = jparse_str_from_obj(request, "password");
if (user && strlen(user) > 0 && password && strlen(password) > 0)
{
ret = spotify_login_user(user, password, &errmsg);
if (ret < 0)
{
json_object_object_add(jreply, "success", json_object_new_boolean(false));
errors = json_object_new_object();
json_object_object_add(errors, "error", json_object_new_string(errmsg));
json_object_object_add(jreply, "errors", errors);
}
else
{
json_object_object_add(jreply, "success", json_object_new_boolean(true));
}
free(errmsg);
}
else
{
DPRINTF(E_LOG, L_WEB, "No user or password in spotify login post request\n");
json_object_object_add(jreply, "success", json_object_new_boolean(false));
errors = json_object_new_object();
if (!user || strlen(user) == 0)
json_object_object_add(errors, "user", json_object_new_string("Username is required"));
if (!password || strlen(password) == 0)
json_object_object_add(errors, "password", json_object_new_string("Password is required"));
json_object_object_add(jreply, "errors", errors);
}
CHECK_ERRNO(L_WEB, evbuffer_add_printf(reply, "%s", json_object_to_json_string(jreply)));
jparse_free(jreply);
#else
DPRINTF(E_LOG, L_WEB, "Received spotify login request but was not compiled with enable-spotify\n");
#endif
return 0;
}
@ -409,40 +436,36 @@ pairing_get(struct evbuffer *evbuf)
* If request is a POST request, tries to pair the active remote with the given pin.
*/
static int
jsonapi_reply_pairing(struct evhttp_request *req, struct evbuffer *evbuf, char *uri, struct evkeyvalq *query)
jsonapi_reply_pairing(struct evbuffer *reply, struct json_request *jreq)
{
if (evhttp_request_get_command(req) == EVHTTP_REQ_POST)
if (evhttp_request_get_command(jreq->req) == EVHTTP_REQ_POST)
{
return pairing_kickoff(req);
return pairing_kickoff(jreq->req);
}
return pairing_get(evbuf);
return pairing_get(reply);
}
static int
jsonapi_reply_lastfm(struct evhttp_request *req, struct evbuffer *evbuf, char *uri, struct evkeyvalq *query)
jsonapi_reply_lastfm(struct evbuffer *reply, struct json_request *jreq)
{
json_object *reply;
json_object *jreply;
bool enabled = false;
bool scrobbling_enabled = false;
int ret;
#ifdef LASTFM
enabled = true;
scrobbling_enabled = lastfm_is_enabled();
#endif
reply = json_object_new_object();
json_object_object_add(reply, "enabled", json_object_new_boolean(enabled));
json_object_object_add(reply, "scrobbling_enabled", json_object_new_boolean(scrobbling_enabled));
CHECK_NULL(L_WEB, jreply = json_object_new_object());
ret = evbuffer_add_printf(evbuf, "%s", json_object_to_json_string(reply));
jparse_free(reply);
if (ret < 0)
{
DPRINTF(E_LOG, L_WEB, "LastFM: Couldn't add LastFM enabled to response buffer.\n");
return -1;
}
json_object_object_add(jreply, "enabled", json_object_new_boolean(enabled));
json_object_object_add(jreply, "scrobbling_enabled", json_object_new_boolean(scrobbling_enabled));
CHECK_ERRNO(L_WEB, evbuffer_add_printf(reply, "%s", json_object_to_json_string(jreply)));
jparse_free(jreply);
return 0;
}
@ -451,21 +474,21 @@ jsonapi_reply_lastfm(struct evhttp_request *req, struct evbuffer *evbuf, char *u
* Endpoint to log into LastFM
*/
static int
jsonapi_reply_lastfm_login(struct evhttp_request *req, struct evbuffer *evbuf, char *uri, struct evkeyvalq *query)
jsonapi_reply_lastfm_login(struct evbuffer *reply, struct json_request *jreq)
{
#ifdef LASTFM
struct evbuffer *in_evbuf;
json_object* request;
json_object *request;
const char *user;
const char *password;
char *errmsg = NULL;
json_object* reply;
json_object* errors;
json_object *jreply;
json_object *errors;
int ret;
DPRINTF(E_DBG, L_WEB, "Received LastFM login request\n");
in_evbuf = evhttp_request_get_input_buffer(req);
in_evbuf = evhttp_request_get_input_buffer(jreq->req);
request = jparse_obj_from_evbuffer(in_evbuf);
if (!request)
{
@ -473,7 +496,7 @@ jsonapi_reply_lastfm_login(struct evhttp_request *req, struct evbuffer *evbuf, c
return -1;
}
reply = json_object_new_object();
CHECK_NULL(L_WEB, jreply = json_object_new_object());
user = jparse_str_from_obj(request, "user");
password = jparse_str_from_obj(request, "password");
@ -482,17 +505,17 @@ jsonapi_reply_lastfm_login(struct evhttp_request *req, struct evbuffer *evbuf, c
ret = lastfm_login_user(user, password, &errmsg);
if (ret < 0)
{
json_object_object_add(reply, "success", json_object_new_boolean(false));
json_object_object_add(jreply, "success", json_object_new_boolean(false));
errors = json_object_new_object();
if (errmsg)
json_object_object_add(errors, "error", json_object_new_string(errmsg));
else
json_object_object_add(errors, "error", json_object_new_string("Unknown error"));
json_object_object_add(reply, "errors", errors);
json_object_object_add(jreply, "errors", errors);
}
else
{
json_object_object_add(reply, "success", json_object_new_boolean(true));
json_object_object_add(jreply, "success", json_object_new_boolean(true));
}
free(errmsg);
}
@ -500,22 +523,18 @@ jsonapi_reply_lastfm_login(struct evhttp_request *req, struct evbuffer *evbuf, c
{
DPRINTF(E_LOG, L_WEB, "No user or password in LastFM login post request\n");
json_object_object_add(reply, "success", json_object_new_boolean(false));
json_object_object_add(jreply, "success", json_object_new_boolean(false));
errors = json_object_new_object();
if (!user || strlen(user) == 0)
json_object_object_add(errors, "user", json_object_new_string("Username is required"));
if (!password || strlen(password) == 0)
json_object_object_add(errors, "password", json_object_new_string("Password is required"));
json_object_object_add(reply, "errors", errors);
json_object_object_add(jreply, "errors", errors);
}
ret = evbuffer_add_printf(evbuf, "%s", json_object_to_json_string(reply));
jparse_free(reply);
if (ret < 0)
{
DPRINTF(E_LOG, L_WEB, "LastFM: Couldn't add LastFM login data to response buffer.\n");
return -1;
}
CHECK_ERRNO(L_WEB, evbuffer_add_printf(reply, "%s", json_object_to_json_string(jreply)));
jparse_free(jreply);
#else
DPRINTF(E_LOG, L_WEB, "Received LastFM login request but was not compiled with enable-lastfm\n");
@ -525,7 +544,7 @@ jsonapi_reply_lastfm_login(struct evhttp_request *req, struct evbuffer *evbuf, c
}
static int
jsonapi_reply_lastfm_logout(struct evhttp_request *req, struct evbuffer *evbuf, char *uri, struct evkeyvalq *query)
jsonapi_reply_lastfm_logout(struct evbuffer *reply, struct json_request *jreq)
{
#ifdef LASTFM
lastfm_logout();
@ -547,119 +566,59 @@ static struct uri_map adm_handlers[] =
{ .regexp = NULL, .handler = NULL }
};
void
jsonapi_request(struct evhttp_request *req)
{
char *full_uri;
char *uri;
char *ptr;
struct evbuffer *evbuf;
struct evkeyvalq query;
struct evkeyvalq *headers;
int handler;
int ret;
int i;
/* Check authentication */
/* ------------------------------- JSON API --------------------------------- */
void
jsonapi_request(struct evhttp_request *req, struct httpd_uri_parsed *uri_parsed)
{
struct json_request *jreq;
struct evbuffer *reply;
struct evkeyvalq *headers;
int ret;
DPRINTF(E_DBG, L_WEB, "JSON api request: '%s'\n", uri_parsed->uri);
if (!httpd_admin_check_auth(req))
{
DPRINTF(E_DBG, L_WEB, "JSON api request denied;\n");
DPRINTF(E_DBG, L_WEB, "JSON api request denied\n");
return;
}
memset(&query, 0, sizeof(struct evkeyvalq));
full_uri = httpd_fixup_uri(req);
if (!full_uri)
jreq = json_request_parse(req, uri_parsed);
if (!jreq)
{
evhttp_send_error(req, HTTP_BADREQUEST, "Bad Request");
httpd_send_error(req, HTTP_BADREQUEST, "Bad Request");
return;
}
ptr = strchr(full_uri, '?');
if (ptr)
*ptr = '\0';
uri = strdup(full_uri);
if (!uri)
{
free(full_uri);
evhttp_send_error(req, HTTP_BADREQUEST, "Bad Request");
return;
}
if (ptr)
*ptr = '?';
ptr = uri;
uri = evhttp_decode_uri(uri);
free(ptr);
DPRINTF(E_DBG, L_WEB, "Web admin request: %s\n", full_uri);
handler = -1;
for (i = 0; adm_handlers[i].handler; i++)
{
ret = regexec(&adm_handlers[i].preg, uri, 0, NULL, 0);
if (ret == 0)
{
handler = i;
break;
}
}
if (handler < 0)
{
DPRINTF(E_LOG, L_WEB, "Unrecognized web admin request\n");
evhttp_send_error(req, HTTP_BADREQUEST, "Bad Request");
free(uri);
free(full_uri);
return;
}
evbuf = evbuffer_new();
if (!evbuf)
{
DPRINTF(E_LOG, L_WEB, "Could not allocate evbuffer for Web Admin reply\n");
evhttp_send_error(req, HTTP_SERVUNAVAIL, "Internal Server Error");
free(uri);
free(full_uri);
return;
}
evhttp_parse_query(full_uri, &query);
headers = evhttp_request_get_output_headers(req);
evhttp_add_header(headers, "DAAP-Server", "forked-daapd/" VERSION);
ret = adm_handlers[handler].handler(req, evbuf, uri, &query);
CHECK_NULL(L_WEB, reply = evbuffer_new());
ret = jreq->handler(reply, jreq);
if (ret < 0)
{
evhttp_send_error(req, 500, "Internal Server Error");
}
else
{
headers = evhttp_request_get_output_headers(req);
evhttp_add_header(headers, "Content-Type", "application/json");
httpd_send_reply(req, HTTP_OK, "OK", evbuf, 0);
httpd_send_error(req, 500, "Internal Server Error");
goto error;
}
evbuffer_free(evbuf);
evhttp_clear_headers(&query);
free(uri);
free(full_uri);
evhttp_add_header(headers, "Content-Type", "application/json");
httpd_send_reply(req, HTTP_OK, "OK", reply, 0);
error:
evbuffer_free(reply);
free(jreq);
}
int
jsonapi_is_request(struct evhttp_request *req, char *uri)
jsonapi_is_request(const char *path)
{
if (strncmp(uri, "/api/", strlen("/api/")) == 0)
if (strncmp(path, "/api/", strlen("/api/")) == 0)
return 1;
if (strcmp(uri, "/api") == 0)
if (strcmp(path, "/api") == 0)
return 1;
return 0;
@ -679,7 +638,7 @@ jsonapi_init(void)
{
regerror(ret, &adm_handlers[i].preg, buf, sizeof(buf));
DPRINTF(E_FATAL, L_WEB, "Admin web interface init failed; regexp error: %s\n", buf);
DPRINTF(E_FATAL, L_WEB, "JSON api init failed; regexp error: %s\n", buf);
return -1;
}
}

6
src/httpd_jsonapi.h
View File

@ -2,7 +2,7 @@
#ifndef __HTTPD_JSONAPI_H__
#define __HTTPD_JSONAPI_H__
#include <event2/http.h>
#include "httpd.h"
int
jsonapi_init(void);
@ -11,9 +11,9 @@ void
jsonapi_deinit(void);
void
jsonapi_request(struct evhttp_request *req);
jsonapi_request(struct evhttp_request *req, struct httpd_uri_parsed *uri_parsed);
int
jsonapi_is_request(struct evhttp_request *req, char *uri);
jsonapi_is_request(const char *path);
#endif /* !__HTTPD_JSONAPI_H__ */

383
src/httpd_rsp.c
View File

@ -32,16 +32,14 @@
#include <limits.h>
#include <mxml.h>
#include <event2/buffer.h>
#include <event2/keyvalq_struct.h>
#include "httpd_rsp.h"
#include "logger.h"
#include "db.h"
#include "conffile.h"
#include "misc.h"
#include "httpd.h"
#include "transcode.h"
#include "httpd_rsp.h"
#include "rsp_query.h"
#define RSP_VERSION "1.0"
@ -54,16 +52,28 @@
#define F_DETAILED (1 << 3)
#define F_ALWAYS (F_FULL | F_BROWSE | F_ID | F_DETAILED)
struct field_map {
char *field;
size_t offset;
int flags;
// Will be filled out by rsp_request_parse()
struct rsp_request {
// The parsed request URI given to us by httpd.c
struct httpd_uri_parsed *uri_parsed;
// Shortcut to &uri_parsed->ev_query
struct evkeyvalq *query;
// http request struct
struct evhttp_request *req;
// A pointer to the handler that will process the request
void (*handler)(struct rsp_request *rreq);
};
struct uri_map {
regex_t preg;
char *regexp;
void (*handler)(struct evhttp_request *req, char **uri, struct evkeyvalq *query);
void (*handler)(struct rsp_request *rreq);
};
struct field_map {
char *field;
size_t offset;
int flags;
};
static const struct field_map pl_fields[] =
@ -123,6 +133,11 @@ static const struct field_map rsp_fields[] =
{ NULL, 0, 0 }
};
/* Forward declaration of handlers */
static struct uri_map rsp_handlers[];
/* -------------------------------- HELPERS --------------------------------- */
static struct evbuffer *
mxml_to_evbuf(mxml_node_t *tree)
@ -161,61 +176,6 @@ mxml_to_evbuf(mxml_node_t *tree)
return evbuf;
}
/* Forward */
static void
rsp_send_error(struct evhttp_request *req, char *errmsg);
static int
get_query_params(struct evhttp_request *req, struct evkeyvalq *query, struct query_params *qp)
{
const char *param;
int ret;
qp->offset = 0;
param = evhttp_find_header(query, "offset");
if (param)
{
ret = safe_atoi32(param, &qp->offset);
if (ret < 0)
{
rsp_send_error(req, "Invalid offset");
return -1;
}
}
qp->limit = 0;
param = evhttp_find_header(query, "limit");
if (param)
{
ret = safe_atoi32(param, &qp->limit);
if (ret < 0)
{
rsp_send_error(req, "Invalid limit");
return -1;
}
}
if (qp->offset || qp->limit)
qp->idx_type = I_SUB;
else
qp->idx_type = I_NONE;
qp->sort = S_NONE;
param = evhttp_find_header(query, "query");
if (param)
{
DPRINTF(E_DBG, L_RSP, "RSP browse query filter: %s\n", param);
qp->filter = rsp_query_parse_sql(param);
if (!qp->filter)
DPRINTF(E_LOG, L_RSP, "Ignoring improper RSP query\n");
}
return 0;
}
static void
rsp_send_error(struct evhttp_request *req, char *errmsg)
{
@ -265,6 +225,56 @@ rsp_send_error(struct evhttp_request *req, char *errmsg)
evbuffer_free(evbuf);
}
static int
query_params_set(struct query_params *qp, struct rsp_request *rreq)
{
const char *param;
int ret;
qp->offset = 0;
param = evhttp_find_header(rreq->query, "offset");
if (param)
{
ret = safe_atoi32(param, &qp->offset);
if (ret < 0)
{
rsp_send_error(rreq->req, "Invalid offset");
return -1;
}
}
qp->limit = 0;
param = evhttp_find_header(rreq->query, "limit");
if (param)
{
ret = safe_atoi32(param, &qp->limit);
if (ret < 0)
{
rsp_send_error(rreq->req, "Invalid limit");
return -1;
}
}
if (qp->offset || qp->limit)
qp->idx_type = I_SUB;
else
qp->idx_type = I_NONE;
qp->sort = S_NONE;
param = evhttp_find_header(rreq->query, "query");
if (param)
{
DPRINTF(E_DBG, L_RSP, "RSP browse query filter: %s\n", param);
qp->filter = rsp_query_parse_sql(param);
if (!qp->filter)
DPRINTF(E_LOG, L_RSP, "Ignoring improper RSP query\n");
}
return 0;
}
static void
rsp_send_reply(struct evhttp_request *req, mxml_node_t *reply)
{
@ -290,9 +300,75 @@ rsp_send_reply(struct evhttp_request *req, mxml_node_t *reply)
evbuffer_free(evbuf);
}
static struct rsp_request *
rsp_request_parse(struct evhttp_request *req, struct httpd_uri_parsed *uri_parsed)
{
struct rsp_request *rreq;
int ret;
int i;
CHECK_NULL(L_DAAP, rreq = calloc(1, sizeof(struct rsp_request)));
rreq->req = req;
rreq->uri_parsed = uri_parsed;
rreq->query = &(uri_parsed->ev_query);
// Find a handler for the path
for (i = 0; rsp_handlers[i].handler; i++)
{
ret = regexec(&rsp_handlers[i].preg, uri_parsed->path, 0, NULL, 0);
if (ret == 0)
{
rreq->handler = rsp_handlers[i].handler;
break;
}
}
if (!rreq->handler)
{
DPRINTF(E_LOG, L_RSP, "Unrecognized path '%s' in RSP request: '%s'\n", uri_parsed->path, uri_parsed->uri);
goto error;
}
return rreq;
error:
free(rreq);
return NULL;
}
static int
rsp_request_authorize(struct rsp_request *rreq)
{
char *passwd;
int ret;
if (cfg_getbool(cfg_getsec(cfg, "general"), "promiscuous_mode"))
return 0;
passwd = cfg_getstr(cfg_getsec(cfg, "library"), "password");
if (!passwd)
return 0;
DPRINTF(E_DBG, L_RSP, "Checking authentication for library\n");
// We don't care about the username
ret = httpd_basic_auth(rreq->req, NULL, passwd, cfg_getstr(cfg_getsec(cfg, "library"), "name"));
if (ret != 0)
{
DPRINTF(E_LOG, L_RSP, "Unsuccessful library authentication\n");
return -1;
}
return 0;
}
/* --------------------------- REPLY HANDLERS ------------------------------- */
static void
rsp_reply_info(struct evhttp_request *req, char **uri, struct evkeyvalq *query)
rsp_reply_info(struct rsp_request *rreq)
{
mxml_node_t *reply;
mxml_node_t *status;
@ -342,11 +418,11 @@ rsp_reply_info(struct evhttp_request *req, char **uri, struct evkeyvalq *query)
node = mxmlNewElement(info, "name");
mxmlNewText(node, 0, library);
rsp_send_reply(req, reply);
rsp_send_reply(rreq->req, reply);
}
static void
rsp_reply_db(struct evhttp_request *req, char **uri, struct evkeyvalq *query)
rsp_reply_db(struct rsp_request *rreq)
{
struct query_params qp;
struct db_playlist_info dbpli;
@ -369,7 +445,7 @@ rsp_reply_db(struct evhttp_request *req, char **uri, struct evkeyvalq *query)
{
DPRINTF(E_LOG, L_RSP, "Could not start query\n");
rsp_send_error(req, "Could not start query");
rsp_send_error(rreq->req, "Could not start query");
return;
}
@ -419,7 +495,7 @@ rsp_reply_db(struct evhttp_request *req, char **uri, struct evkeyvalq *query)
mxmlDelete(reply);
db_query_end(&qp);
rsp_send_error(req, "Error fetching query results");
rsp_send_error(rreq->req, "Error fetching query results");
return;
}
@ -433,11 +509,11 @@ rsp_reply_db(struct evhttp_request *req, char **uri, struct evkeyvalq *query)
db_query_end(&qp);
rsp_send_reply(req, reply);
rsp_send_reply(rreq->req, reply);
}
static void
rsp_reply_playlist(struct evhttp_request *req, char **uri, struct evkeyvalq *query)
rsp_reply_playlist(struct rsp_request *rreq)
{
struct query_params qp;
struct db_media_file_info dbmfi;
@ -460,10 +536,10 @@ rsp_reply_playlist(struct evhttp_request *req, char **uri, struct evkeyvalq *que
memset(&qp, 0, sizeof(struct query_params));
ret = safe_atoi32(uri[2], &qp.id);
ret = safe_atoi32(rreq->uri_parsed->path_parts[2], &qp.id);
if (ret < 0)
{
rsp_send_error(req, "Invalid playlist ID");
rsp_send_error(rreq->req, "Invalid playlist ID");
return;
}
@ -473,7 +549,7 @@ rsp_reply_playlist(struct evhttp_request *req, char **uri, struct evkeyvalq *que
qp.type = Q_PLITEMS;
mode = F_FULL;
param = evhttp_find_header(query, "type");
param = evhttp_find_header(rreq->query, "type");
if (param)
{
if (strcasecmp(param, "full") == 0)
@ -488,7 +564,7 @@ rsp_reply_playlist(struct evhttp_request *req, char **uri, struct evkeyvalq *que
DPRINTF(E_LOG, L_RSP, "Unknown browse mode %s\n", param);
}
ret = get_query_params(req, query, &qp);
ret = query_params_set(&qp, rreq);
if (ret < 0)
return;
@ -497,7 +573,7 @@ rsp_reply_playlist(struct evhttp_request *req, char **uri, struct evkeyvalq *que
{
DPRINTF(E_LOG, L_RSP, "Could not start query\n");
rsp_send_error(req, "Could not start query");
rsp_send_error(rreq->req, "Could not start query");
if (qp.filter)
free(qp.filter);
@ -536,7 +612,7 @@ rsp_reply_playlist(struct evhttp_request *req, char **uri, struct evkeyvalq *que
/* Items block (all items) */
while (((ret = db_query_fetch_file(&qp, &dbmfi)) == 0) && (dbmfi.id))
{
headers = evhttp_request_get_input_headers(req);
headers = evhttp_request_get_input_headers(rreq->req);
ua = evhttp_find_header(headers, "User-Agent");
client_codecs = evhttp_find_header(headers, "Accept-Codecs");
@ -607,7 +683,7 @@ rsp_reply_playlist(struct evhttp_request *req, char **uri, struct evkeyvalq *que
mxmlDelete(reply);
db_query_end(&qp);
rsp_send_error(req, "Error fetching query results");
rsp_send_error(rreq->req, "Error fetching query results");
return;
}
@ -621,11 +697,11 @@ rsp_reply_playlist(struct evhttp_request *req, char **uri, struct evkeyvalq *que
db_query_end(&qp);
rsp_send_reply(req, reply);
rsp_send_reply(rreq->req, reply);
}
static void
rsp_reply_browse(struct evhttp_request *req, char **uri, struct evkeyvalq *query)
rsp_reply_browse(struct rsp_request *rreq)
{
struct query_params qp;
char *browse_item;
@ -638,30 +714,30 @@ rsp_reply_browse(struct evhttp_request *req, char **uri, struct evkeyvalq *query
memset(&qp, 0, sizeof(struct query_params));
if (strcmp(uri[3], "artist") == 0)
if (strcmp(rreq->uri_parsed->path_parts[3], "artist") == 0)
qp.type = Q_BROWSE_ARTISTS;
else if (strcmp(uri[3], "genre") == 0)
else if (strcmp(rreq->uri_parsed->path_parts[3], "genre") == 0)
qp.type = Q_BROWSE_GENRES;
else if (strcmp(uri[3], "album") == 0)
else if (strcmp(rreq->uri_parsed->path_parts[3], "album") == 0)
qp.type = Q_BROWSE_ALBUMS;
else if (strcmp(uri[3], "composer") == 0)
else if (strcmp(rreq->uri_parsed->path_parts[3], "composer") == 0)
qp.type = Q_BROWSE_COMPOSERS;
else
{
DPRINTF(E_LOG, L_RSP, "Unsupported browse type '%s'\n", uri[3]);
DPRINTF(E_LOG, L_RSP, "Unsupported browse type '%s'\n", rreq->uri_parsed->path_parts[3]);
rsp_send_error(req, "Unsupported browse type");
rsp_send_error(rreq->req, "Unsupported browse type");
return;
}
ret = safe_atoi32(uri[2], &qp.id);
ret = safe_atoi32(rreq->uri_parsed->path_parts[2], &qp.id);
if (ret < 0)
{
rsp_send_error(req, "Invalid playlist ID");
rsp_send_error(rreq->req, "Invalid playlist ID");
return;
}
ret = get_query_params(req, query, &qp);
ret = query_params_set(&qp, rreq);
if (ret < 0)
return;
@ -670,7 +746,7 @@ rsp_reply_browse(struct evhttp_request *req, char **uri, struct evkeyvalq *query
{
DPRINTF(E_LOG, L_RSP, "Could not start query\n");
rsp_send_error(req, "Could not start query");
rsp_send_error(rreq->req, "Could not start query");
if (qp.filter)
free(qp.filter);
@ -722,7 +798,7 @@ rsp_reply_browse(struct evhttp_request *req, char **uri, struct evkeyvalq *query
mxmlDelete(reply);
db_query_end(&qp);
rsp_send_error(req, "Error fetching query results");
rsp_send_error(rreq->req, "Error fetching query results");
return;
}
@ -736,20 +812,20 @@ rsp_reply_browse(struct evhttp_request *req, char **uri, struct evkeyvalq *query
db_query_end(&qp);
rsp_send_reply(req, reply);
rsp_send_reply(rreq->req, reply);
}
static void
rsp_stream(struct evhttp_request *req, char **uri, struct evkeyvalq *query)
rsp_stream(struct rsp_request *rreq)
{
int id;
int ret;
ret = safe_atoi32(uri[2], &id);
ret = safe_atoi32(rreq->uri_parsed->path_parts[2], &id);
if (ret < 0)
httpd_send_error(req, HTTP_BADREQUEST, "Bad Request");
httpd_send_error(rreq->req, HTTP_BADREQUEST, "Bad Request");
else
httpd_stream_file(req, id);
httpd_stream_file(rreq->req, id);
}
@ -782,127 +858,40 @@ static struct uri_map rsp_handlers[] =
};
/* -------------------------------- RSP API --------------------------------- */
void
rsp_request(struct evhttp_request *req)
rsp_request(struct evhttp_request *req, struct httpd_uri_parsed *uri_parsed)
{
char *full_uri;
char *uri;
char *ptr;
char *uri_parts[5];
struct evkeyvalq query;
cfg_t *lib;
char *libname;
char *passwd;
int handler;
int i;
struct rsp_request *rreq;
int ret;
memset(&query, 0, sizeof(struct evkeyvalq));
DPRINTF(E_DBG, L_RSP, "RSP request: '%s'\n", uri_parsed->uri);
full_uri = httpd_fixup_uri(req);
if (!full_uri)
rreq = rsp_request_parse(req, uri_parsed);
if (!rreq)
{
rsp_send_error(req, "Server error");
return;
}
ptr = strchr(full_uri, '?');
if (ptr)
*ptr = '\0';
uri = strdup(full_uri);
if (!uri)
ret = rsp_request_authorize(rreq);
if (ret < 0)
{
rsp_send_error(req, "Server error");
free(full_uri);
rsp_send_error(req, "Access denied");
free(rreq);
return;
}
if (ptr)
*ptr = '?';
rreq->handler(rreq);
ptr = uri;
uri = evhttp_decode_uri(uri);
free(ptr);
DPRINTF(E_DBG, L_RSP, "RSP request: %s\n", full_uri);
handler = -1;
for (i = 0; rsp_handlers[i].handler; i++)
{
ret = regexec(&rsp_handlers[i].preg, uri, 0, NULL, 0);
if (ret == 0)
{
handler = i;
break;
}
}
if (handler < 0)
{
DPRINTF(E_LOG, L_RSP, "Unrecognized RSP request\n");
rsp_send_error(req, "Bad path");
free(uri);
free(full_uri);
return;
}
/* Check authentication */
lib = cfg_getsec(cfg, "library");
passwd = cfg_getstr(lib, "password");
if (passwd && !cfg_getbool(cfg_getsec(cfg, "general"), "promiscuous_mode"))
{
libname = cfg_getstr(lib, "name");
DPRINTF(E_DBG, L_HTTPD, "Checking authentication for library '%s'\n", libname);
/* We don't care about the username */
ret = httpd_basic_auth(req, NULL, passwd, libname);
if (ret != 0)
{
free(uri);
free(full_uri);
return;
}
DPRINTF(E_DBG, L_HTTPD, "Library authentication successful\n");
}
memset(uri_parts, 0, sizeof(uri_parts));
uri_parts[0] = strtok_r(uri, "/", &ptr);
for (i = 1; (i < sizeof(uri_parts) / sizeof(uri_parts[0])) && uri_parts[i - 1]; i++)
{
uri_parts[i] = strtok_r(NULL, "/", &ptr);
}
if (!uri_parts[0] || uri_parts[i - 1] || (i < 2))
{
DPRINTF(E_LOG, L_RSP, "RSP URI has too many/few components (%d)\n", (uri_parts[0]) ? i : 0);
rsp_send_error(req, "Bad path");
free(uri);
free(full_uri);
return;
}
evhttp_parse_query(full_uri, &query);
rsp_handlers[handler].handler(req, uri_parts, &query);
evhttp_clear_headers(&query);
free(uri);
free(full_uri);
free(rreq);
}
int
rsp_is_request(struct evhttp_request *req, char *uri)
rsp_is_request(const char *path)
{
if (strncmp(uri, "/rsp/", strlen("/rsp/")) == 0)
if (strncmp(path, "/rsp/", strlen("/rsp/")) == 0)
return 1;
return 0;

6
src/httpd_rsp.h
View File

@ -2,7 +2,7 @@
#ifndef __HTTPD_RSP_H__
#define __HTTPD_RSP_H__
#include <event2/http.h>
#include "httpd.h"
int
rsp_init(void);
@ -11,9 +11,9 @@ void
rsp_deinit(void);
void
rsp_request(struct evhttp_request *req);
rsp_request(struct evhttp_request *req, struct httpd_uri_parsed *uri_parsed);
int
rsp_is_request(struct evhttp_request *req, char *uri);
rsp_is_request(const char *path);
#endif /* !__HTTPD_RSP_H__ */

31
src/httpd_streaming.c
View File

@ -30,16 +30,13 @@
#include <unistd.h>
#include <event2/event.h>
#include <event2/buffer.h>
#include <event2/http.h>
#include "httpd_streaming.h"
#include "logger.h"
#include "conffile.h"
#include "transcode.h"
#include "player.h"
#include "listener.h"
#include "httpd.h"
#include "httpd_streaming.h"
/* httpd event base, from httpd.c */
extern struct event_base *evbase_httpd;
@ -213,19 +210,7 @@ streaming_write(uint8_t *buf, uint64_t rtptime)
}
int
streaming_is_request(struct evhttp_request *req, char *uri)
{
char *ptr;
ptr = strrchr(uri, '/');
if (!ptr || (strcasecmp(ptr, "/stream.mp3") != 0))
return 0;
return 1;
}
int
streaming_request(struct evhttp_request *req)
streaming_request(struct evhttp_request *req, struct httpd_uri_parsed *uri_parsed)
{
struct streaming_session *session;
struct evhttp_connection *evcon;
@ -284,6 +269,18 @@ streaming_request(struct evhttp_request *req)
return 0;
}
int
streaming_is_request(const char *path)
{
char *ptr;
ptr = strrchr(path, '/');
if (ptr && (strcasecmp(ptr, "/stream.mp3") == 0))
return 1;
return 0;
}
int
streaming_init(void)
{

6
src/httpd_streaming.h
View File

@ -2,7 +2,7 @@
#ifndef __HTTPD_STREAMING_H__
#define __HTTPD_STREAMING_H__
#include <event2/http.h>
#include "httpd.h"
/* httpd_streaming takes care of incoming requests to /stream.mp3
* It will receive decoded audio from the player, and encode it, and
@ -14,10 +14,10 @@ void
streaming_write(uint8_t *buf, uint64_t rtptime);
int
streaming_is_request(struct evhttp_request *req, char *uri);
streaming_request(struct evhttp_request *req, struct httpd_uri_parsed *uri_parsed);
int
streaming_request(struct evhttp_request *req);
streaming_is_request(const char *path);
int
streaming_init(void);