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package oauth |
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import ( |
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"bytes" |
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"context" |
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"fmt" |
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"io" |
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"net/http" |
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"github.com/pkg/errors" |
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) |
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const ( |
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githubAccessTokenURL = "https://github.com/login/oauth/access_token" //nolint:gosec //This is a URL, not a password. |
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githubAPIURL = "https://api.github.com/user" //nolint:gosec //This is a URL, not a password. |
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) |
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// githubAccessTokenResponse Represents the response received from Github. |
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type githubAccessTokenResponse struct { |
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AccessToken string `json:"access_token"` |
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TokenType string `json:"token_type"` |
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Scope string `json:"scope"` |
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} |
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// GetGithubAccessToken gets the access token from Github using the code. |
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func GetGithubAccessToken(ctx context.Context, code string) (string, error) { |
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// Set us the request body as JSON |
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requestBodyMap := map[string]string{ |
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"client_id": githubConfig.ClientID, |
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"client_secret": githubConfig.ClientSecret, |
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"code": code, |
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} |
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requestJSON, _ := GetJSONHelperInstance().GetJSONHelper().Marshal(requestBodyMap) |
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// POST request to set URL |
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req, err := http.NewRequestWithContext(ctx, |
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http.MethodPost, |
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githubAccessTokenURL, |
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bytes.NewBuffer(requestJSON), |
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) |
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if err != nil || req == nil || req.Body == nil || req.Header == nil { |
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return "", errors.Wrap(err, RequestFailed) |
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} |
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req.Header.Set("Content-Type", "application/json") |
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req.Header.Set("Accept", "application/json") |
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// Get the response |
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resp, err := http.DefaultClient.Do(req) |
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if err != nil { |
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return "", errors.Wrap(err, ResponseFailed) |
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} |
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defer func(resp *http.Response) { |
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if resp != nil && resp.Body != nil { |
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resp.Body.Close() |
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} |
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}(resp) |
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// Response body converted to stringified JSON. |
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respbody, _ := io.ReadAll(resp.Body) |
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// Convert stringified JSON to a struct object of type githubAccessTokenResponse |
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var ghresp githubAccessTokenResponse |
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err = GetJSONHelperInstance().GetJSONHelper().Unmarshal(respbody, &ghresp) |
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if err != nil { |
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return "", err |
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} |
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// Return the access token (as the rest of the |
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// details are relatively unnecessary for us) |
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return ghresp.AccessToken, nil |
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} |
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// GetGithubData gets the user data from Github using the access token. |
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func GetGithubData(ctx context.Context, accessToken string) (string, error) { |
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// Get request to a set URL |
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req, err := http.NewRequestWithContext(ctx, |
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http.MethodGet, |
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"https://api.github.com/user", |
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nil, |
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) |
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if err != nil { |
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return "", err |
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} |
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// Set the Authorization header before sending the request |
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// Authorization: token XXXXXXXXXXXXXXXXXXXXXXXXXXX |
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authorizationHeaderValue := fmt.Sprintf("token %s", accessToken) |
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req.Header.Set("Authorization", authorizationHeaderValue) |
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// Make the request |
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resp, err := http.DefaultClient.Do(req) |
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if err != nil { |
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return "", err |
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} |
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defer func(resp *http.Response) { |
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if resp != nil && resp.Body != nil { |
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resp.Body.Close() |
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} |
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}(resp) |
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// Read the response as a byte slice |
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respbody, err := io.ReadAll(resp.Body) |
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if err != nil { |
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return "", err |
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} |
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// Convert byte slice to string and return |
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return string(respbody), nil |
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} |
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memnix /
memnix-rest
