diff options
Diffstat (limited to 'vendor/golang.org/x/oauth2/google/sdk.go')
-rw-r--r-- | vendor/golang.org/x/oauth2/google/sdk.go | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/vendor/golang.org/x/oauth2/google/sdk.go b/vendor/golang.org/x/oauth2/google/sdk.go deleted file mode 100644 index b9660ca..0000000 --- a/vendor/golang.org/x/oauth2/google/sdk.go +++ /dev/null @@ -1,201 +0,0 @@ -// Copyright 2015 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package google - -import ( - "bufio" - "encoding/json" - "errors" - "fmt" - "io" - "net/http" - "os" - "os/user" - "path/filepath" - "runtime" - "strings" - "time" - - "golang.org/x/net/context" - "golang.org/x/oauth2" -) - -type sdkCredentials struct { - Data []struct { - Credential struct { - ClientID string `json:"client_id"` - ClientSecret string `json:"client_secret"` - AccessToken string `json:"access_token"` - RefreshToken string `json:"refresh_token"` - TokenExpiry *time.Time `json:"token_expiry"` - } `json:"credential"` - Key struct { - Account string `json:"account"` - Scope string `json:"scope"` - } `json:"key"` - } -} - -// An SDKConfig provides access to tokens from an account already -// authorized via the Google Cloud SDK. -type SDKConfig struct { - conf oauth2.Config - initialToken *oauth2.Token -} - -// NewSDKConfig creates an SDKConfig for the given Google Cloud SDK -// account. If account is empty, the account currently active in -// Google Cloud SDK properties is used. -// Google Cloud SDK credentials must be created by running `gcloud auth` -// before using this function. -// The Google Cloud SDK is available at https://cloud.google.com/sdk/. -func NewSDKConfig(account string) (*SDKConfig, error) { - configPath, err := sdkConfigPath() - if err != nil { - return nil, fmt.Errorf("oauth2/google: error getting SDK config path: %v", err) - } - credentialsPath := filepath.Join(configPath, "credentials") - f, err := os.Open(credentialsPath) - if err != nil { - return nil, fmt.Errorf("oauth2/google: failed to load SDK credentials: %v", err) - } - defer f.Close() - - var c sdkCredentials - if err := json.NewDecoder(f).Decode(&c); err != nil { - return nil, fmt.Errorf("oauth2/google: failed to decode SDK credentials from %q: %v", credentialsPath, err) - } - if len(c.Data) == 0 { - return nil, fmt.Errorf("oauth2/google: no credentials found in %q, run `gcloud auth login` to create one", credentialsPath) - } - if account == "" { - propertiesPath := filepath.Join(configPath, "properties") - f, err := os.Open(propertiesPath) - if err != nil { - return nil, fmt.Errorf("oauth2/google: failed to load SDK properties: %v", err) - } - defer f.Close() - ini, err := parseINI(f) - if err != nil { - return nil, fmt.Errorf("oauth2/google: failed to parse SDK properties %q: %v", propertiesPath, err) - } - core, ok := ini["core"] - if !ok { - return nil, fmt.Errorf("oauth2/google: failed to find [core] section in %v", ini) - } - active, ok := core["account"] - if !ok { - return nil, fmt.Errorf("oauth2/google: failed to find %q attribute in %v", "account", core) - } - account = active - } - - for _, d := range c.Data { - if account == "" || d.Key.Account == account { - if d.Credential.AccessToken == "" && d.Credential.RefreshToken == "" { - return nil, fmt.Errorf("oauth2/google: no token available for account %q", account) - } - var expiry time.Time - if d.Credential.TokenExpiry != nil { - expiry = *d.Credential.TokenExpiry - } - return &SDKConfig{ - conf: oauth2.Config{ - ClientID: d.Credential.ClientID, - ClientSecret: d.Credential.ClientSecret, - Scopes: strings.Split(d.Key.Scope, " "), - Endpoint: Endpoint, - RedirectURL: "oob", - }, - initialToken: &oauth2.Token{ - AccessToken: d.Credential.AccessToken, - RefreshToken: d.Credential.RefreshToken, - Expiry: expiry, - }, - }, nil - } - } - return nil, fmt.Errorf("oauth2/google: no such credentials for account %q", account) -} - -// Client returns an HTTP client using Google Cloud SDK credentials to -// authorize requests. The token will auto-refresh as necessary. The -// underlying http.RoundTripper will be obtained using the provided -// context. The returned client and its Transport should not be -// modified. -func (c *SDKConfig) Client(ctx context.Context) *http.Client { - return &http.Client{ - Transport: &oauth2.Transport{ - Source: c.TokenSource(ctx), - }, - } -} - -// TokenSource returns an oauth2.TokenSource that retrieve tokens from -// Google Cloud SDK credentials using the provided context. -// It will returns the current access token stored in the credentials, -// and refresh it when it expires, but it won't update the credentials -// with the new access token. -func (c *SDKConfig) TokenSource(ctx context.Context) oauth2.TokenSource { - return c.conf.TokenSource(ctx, c.initialToken) -} - -// Scopes are the OAuth 2.0 scopes the current account is authorized for. -func (c *SDKConfig) Scopes() []string { - return c.conf.Scopes -} - -func parseINI(ini io.Reader) (map[string]map[string]string, error) { - result := map[string]map[string]string{ - "": {}, // root section - } - scanner := bufio.NewScanner(ini) - currentSection := "" - for scanner.Scan() { - line := strings.TrimSpace(scanner.Text()) - if strings.HasPrefix(line, ";") { - // comment. - continue - } - if strings.HasPrefix(line, "[") && strings.HasSuffix(line, "]") { - currentSection = strings.TrimSpace(line[1 : len(line)-1]) - result[currentSection] = map[string]string{} - continue - } - parts := strings.SplitN(line, "=", 2) - if len(parts) == 2 && parts[0] != "" { - result[currentSection][strings.TrimSpace(parts[0])] = strings.TrimSpace(parts[1]) - } - } - if err := scanner.Err(); err != nil { - return nil, fmt.Errorf("error scanning ini: %v", err) - } - return result, nil -} - -// sdkConfigPath tries to guess where the gcloud config is located. -// It can be overridden during tests. -var sdkConfigPath = func() (string, error) { - if runtime.GOOS == "windows" { - return filepath.Join(os.Getenv("APPDATA"), "gcloud"), nil - } - homeDir := guessUnixHomeDir() - if homeDir == "" { - return "", errors.New("unable to get current user home directory: os/user lookup failed; $HOME is empty") - } - return filepath.Join(homeDir, ".config", "gcloud"), nil -} - -func guessUnixHomeDir() string { - // Prefer $HOME over user.Current due to glibc bug: golang.org/issue/13470 - if v := os.Getenv("HOME"); v != "" { - return v - } - // Else, fall back to user.Current: - if u, err := user.Current(); err == nil { - return u.HomeDir - } - return "" -} |