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Add constants for commonly used values. (#3588)

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This is a consolidation effort, avoiding usage
of naked strings in codebase. Whenever possible
use constants which can be repurposed elsewhere.

This also fixes `goconst ./...` reported issues.
This commit is contained in:
Harshavardhana
2017-01-18 12:24:34 -08:00
committed by GitHub
parent f803bb4b3d
commit 62f8343879
79 changed files with 461 additions and 462 deletions
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33
cmd/server-main.go
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@@ -1,5 +1,5 @@
/*
* Minio Cloud Storage, (C) 2015, 2016 Minio, Inc.
* Minio Cloud Storage, (C) 2015, 2016, 2017 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -195,36 +195,45 @@ func isDistributedSetup(eps []*url.URL) bool {
return false
}
// Returns true if path is empty, or equals to '.', '/', '\' characters.
func isPathSentinel(path string) bool {
return path == "" || path == "." || path == "/" || path == `\`
}
// Returned when path is empty or root path.
var errEmptyRootPath = errors.New("Empty or root path is not allowed")
// Invalid scheme passed.
var errInvalidScheme = errors.New("Invalid scheme")
// Check if endpoint is in expected syntax by valid scheme/path across all platforms.
func checkEndpointURL(endpointURL *url.URL) (err error) {
// applicable to all OS.
if endpointURL.Scheme == "" || endpointURL.Scheme == "http" || endpointURL.Scheme == "https" {
urlPath := path.Clean(endpointURL.Path)
if urlPath == "" || urlPath == "." || urlPath == "/" || urlPath == `\` {
err = fmt.Errorf("Empty or root path is not allowed")
// Applicable to all OS.
if endpointURL.Scheme == "" || endpointURL.Scheme == httpScheme || endpointURL.Scheme == httpsScheme {
if isPathSentinel(path.Clean(endpointURL.Path)) {
err = errEmptyRootPath
}
return err
}
// Applicable to Windows only.
if runtime.GOOS == "windows" {
if runtime.GOOS == globalWindowsOSName {
// On Windows, endpoint can be a path with drive eg. C:\Export and its URL.Scheme is 'C'.
// Check if URL.Scheme is a single letter alphabet to represent a drive.
// Note: URL.Parse() converts scheme into lower case always.
if len(endpointURL.Scheme) == 1 && endpointURL.Scheme[0] >= 'a' && endpointURL.Scheme[0] <= 'z' {
// If endpoint is C:\ or C:\export, URL.Path does not have path information like \ or \export
// hence we directly work with endpoint.
urlPath := strings.SplitN(path.Clean(endpointURL.String()), ":", 2)[1]
if urlPath == "" || urlPath == "." || urlPath == "/" || urlPath == `\` {
err = fmt.Errorf("Empty or root path is not allowed")
if isPathSentinel(strings.SplitN(path.Clean(endpointURL.String()), ":", 2)[1]) {
err = errEmptyRootPath
}
return err
}
}
return fmt.Errorf("Invalid scheme")
return errInvalidScheme
}
// Check if endpoints are in expected syntax by valid scheme/path across all platforms.
@@ -300,7 +309,7 @@ func checkServerSyntax(c *cli.Context) {
}
for _, ep := range endpoints {
if ep.Scheme == "https" && !globalIsSSL {
if ep.Scheme == httpsScheme && !globalIsSSL {
// Certificates should be provided for https configuration.
fatalIf(errInvalidArgument, "Certificates not provided for secure configuration")
}