owntone-server/src/httpd_oauth.c

155 lines
3.6 KiB
C

/*
* Copyright (C) 2017 Espen Jürgensen <espenjurgensen@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <stdint.h>
#include <inttypes.h>
#include "httpd_oauth.h"
#include "logger.h"
#include "misc.h"
#include "conffile.h"
#ifdef SPOTIFY
# include "library/spotify_webapi.h"
#endif
/* --------------------------- REPLY HANDLERS ------------------------------- */
#ifdef SPOTIFY
static int
oauth_reply_spotify(struct httpd_request *hreq)
{
char redirect_uri[256];
const char *errmsg;
int httpd_port;
int ret;
httpd_port = cfg_getint(cfg_getsec(cfg, "library"), "port");
snprintf(redirect_uri, sizeof(redirect_uri), "http://owntone.local:%d/oauth/spotify", httpd_port);
ret = spotifywebapi_oauth_callback(hreq->query, redirect_uri, &errmsg);
if (ret < 0)
{
DPRINTF(E_LOG, L_WEB, "Could not parse Spotify OAuth callback '%s': %s\n", hreq->uri_parsed->uri, errmsg);
httpd_send_error(hreq->req, HTTP_INTERNAL, errmsg);
return -1;
}
httpd_redirect_to(hreq->req, "/#/settings/online-services");
return 0;
}
#else
static int
oauth_reply_spotify(struct httpd_request *hreq)
{
DPRINTF(E_LOG, L_WEB, "This version was built without support for Spotify\n");
httpd_send_error(hreq->req, HTTP_NOTFOUND, "This version was built without support for Spotify");
return -1;
}
#endif
static struct httpd_uri_map oauth_handlers[] =
{
{
.regexp = "^/oauth/spotify$",
.handler = oauth_reply_spotify
},
{
.regexp = NULL,
.handler = NULL
}
};
/* ------------------------------- OAUTH API -------------------------------- */
void
oauth_request(struct evhttp_request *req, struct httpd_uri_parsed *uri_parsed)
{
struct httpd_request *hreq;
DPRINTF(E_LOG, L_WEB, "OAuth request: '%s'\n", uri_parsed->uri);
hreq = httpd_request_parse(req, uri_parsed, NULL, oauth_handlers);
if (!hreq)
{
DPRINTF(E_LOG, L_WEB, "Unrecognized path '%s' in OAuth request: '%s'\n", uri_parsed->path, uri_parsed->uri);
httpd_send_error(req, HTTP_NOTFOUND, NULL);
return;
}
hreq->handler(hreq);
free(hreq);
}
int
oauth_is_request(const char *path)
{
if (strncmp(path, "/oauth/", strlen("/oauth/")) == 0)
return 1;
if (strcmp(path, "/oauth") == 0)
return 1;
return 0;
}
int
oauth_init(void)
{
char buf[64];
int i;
int ret;
for (i = 0; oauth_handlers[i].handler; i++)
{
ret = regcomp(&oauth_handlers[i].preg, oauth_handlers[i].regexp, REG_EXTENDED | REG_NOSUB);
if (ret != 0)
{
regerror(ret, &oauth_handlers[i].preg, buf, sizeof(buf));
DPRINTF(E_FATAL, L_WEB, "OAuth init failed; regexp error: %s\n", buf);
return -1;
}
}
return 0;
}
void
oauth_deinit(void)
{
int i;
for (i = 0; oauth_handlers[i].handler; i++)
regfree(&oauth_handlers[i].preg);
}