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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/memnix/memnix-rest/config"  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	"github.com/memnix/memnix-rest/infrastructures"  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	"github.com/pkg/errors"  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	"github.com/rs/zerolog/log"  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                )  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                // GetGithubAccessToken gets the access token from Github using the code  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                func GetGithubAccessToken(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":     infrastructures.GetAppConfig().GithubConfig.ClientID,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		"client_secret": infrastructures.GetAppConfig().GithubConfig.ClientSecret,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		"code":          code,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	requestJSON, _ := config.JSONHelper.Marshal(requestBodyMap)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	// POST request to set URL  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	req, reqerr := http.NewRequestWithContext(context.Background(),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		http.MethodPost,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		"https://github.com/login/oauth/access_token",  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		bytes.NewBuffer(requestJSON),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	if reqerr != nil || req == nil || req.Body == nil || req.Header == nil { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		log.Debug().Err(reqerr).Msg("github.go: GetGithubAccessToken: Request failed (reqerr != nil || req == nil || req.Body == nil || req.Header == nil)") | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return "", errors.Wrap(reqerr, "github.go: GetGithubAccessToken: Request failed (reqerr != nil || req == nil || req.Body == nil || req.Header == nil)")  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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, resperr := http.DefaultClient.Do(req)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	if resperr != nil || resp == nil || resp.Body == nil { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		log.Debug().Err(resperr).Msg("github.go: GetGithubAccessToken: Response failed (resperr != nil || resp == nil || resp.Body == nil)") | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return "", errors.Wrap(reqerr, "github.go: GetGithubAccessToken: Response failed (resperr != nil || resp == nil || resp.Body == nil)")  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	// Response body converted to stringified JSON  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	respbody, _ := io.ReadAll(resp.Body)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	// 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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                	// Convert stringified JSON to a struct object of type githubAccessTokenResponse  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	var ghresp githubAccessTokenResponse  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	err := config.JSONHelper.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(accessToken string) (string, error) { | 
            
            
                                                        
            
                                    
            
            
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                	// Get request to a set URL  | 
            
            
                                                        
            
                                    
            
            
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                	req, err := http.NewRequestWithContext(context.Background(),  | 
            
            
                                                        
            
                                    
            
            
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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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                		log.Info().Msg("Request failed") | 
            
            
                                                        
            
                                    
            
            
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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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                		log.Info().Msg("Response failed") | 
            
            
                                                        
            
                                    
            
            
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                		return "", err  | 
            
            
                                                        
            
                                    
            
            
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                	}  | 
            
            
                                                        
            
                                    
            
            
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                	// Read the response as a byte slice  | 
            
            
                                                        
            
                                    
            
            
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                	respbody, _ := io.ReadAll(resp.Body)  | 
            
            
                                                        
            
                                    
            
            
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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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