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Merge pull request #12 from k-avy/kavya/api/task3
feat: added authentication in API and search endpoint Reviewed by: [email protected], [email protected] Tested by: [email protected], [email protected]
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,188 @@ | ||
| // SPDX-FileCopyrightText: 2023 Kavya Shukla <[email protected]> | ||
| // SPDX-License-Identifier: GPL-2.0-only | ||
|
|
||
| package auth | ||
|
|
||
| import ( | ||
| "encoding/base64" | ||
| "fmt" | ||
| "net/http" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "github.com/fossology/LicenseDb/pkg/api" | ||
| "github.com/fossology/LicenseDb/pkg/models" | ||
| "github.com/gin-gonic/gin" | ||
| ) | ||
|
|
||
| func CreateUser(c *gin.Context) { | ||
| var user models.User | ||
| if err := c.ShouldBindJSON(&user); err != nil { | ||
| er := models.LicenseError{ | ||
| Status: http.StatusBadRequest, | ||
| Message: "invalid json body", | ||
| Error: err.Error(), | ||
| Path: c.Request.URL.Path, | ||
| Timestamp: time.Now().Format(time.RFC3339), | ||
| } | ||
| c.JSON(http.StatusBadRequest, er) | ||
| return | ||
| } | ||
| result := api.DB.FirstOrCreate(&user) | ||
| if result.RowsAffected == 0 { | ||
| er := models.LicenseError{ | ||
| Status: http.StatusBadRequest, | ||
| Message: "can not create user with same userid", | ||
| Error: fmt.Sprintf("Error: License with userid '%s' already exists", user.Userid), | ||
| Path: c.Request.URL.Path, | ||
| Timestamp: time.Now().Format(time.RFC3339), | ||
| } | ||
| c.JSON(http.StatusBadRequest, er) | ||
| return | ||
| } | ||
| if result.Error != nil { | ||
| er := models.LicenseError{ | ||
| Status: http.StatusInternalServerError, | ||
| Message: "Failed to create user", | ||
| Error: result.Error.Error(), | ||
| Path: c.Request.URL.Path, | ||
| Timestamp: time.Now().Format(time.RFC3339), | ||
| } | ||
| c.JSON(http.StatusInternalServerError, er) | ||
| return | ||
| } | ||
| res := models.UserResponse{ | ||
| Data: []models.User{user}, | ||
| Status: http.StatusCreated, | ||
| Meta: models.Meta{ | ||
| ResourceCount: 1, | ||
| }, | ||
| } | ||
|
|
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| c.JSON(http.StatusCreated, res) | ||
| } | ||
|
|
||
| func GetAllUser(c *gin.Context) { | ||
| var users []models.User | ||
| if err := api.DB.Find(&users).Error; err != nil { | ||
| er := models.LicenseError{ | ||
| Status: http.StatusInternalServerError, | ||
| Message: "can not create user", | ||
| Error: err.Error(), | ||
| Path: c.Request.URL.Path, | ||
| Timestamp: time.Now().Format(time.RFC3339), | ||
| } | ||
| c.JSON(http.StatusInternalServerError, er) | ||
| } | ||
| res := models.UserResponse{ | ||
| Data: users, | ||
| Status: http.StatusOK, | ||
| Meta: models.Meta{ | ||
| ResourceCount: len(users), | ||
| }, | ||
| } | ||
|
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| c.JSON(http.StatusOK, res) | ||
| } | ||
|
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| func GetUser(c *gin.Context) { | ||
| var user models.User | ||
| id := c.Param("id") | ||
|
|
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| if err := api.DB.Where("userid = ?", id).First(&user).Error; err != nil { | ||
| er := models.LicenseError{ | ||
| Status: http.StatusBadRequest, | ||
| Message: "no user with such user id exists", | ||
| Error: err.Error(), | ||
| Path: c.Request.URL.Path, | ||
| Timestamp: time.Now().Format(time.RFC3339), | ||
| } | ||
| c.JSON(http.StatusBadRequest, er) | ||
| } | ||
| res := models.UserResponse{ | ||
| Data: []models.User{user}, | ||
| Status: http.StatusOK, | ||
| Meta: models.Meta{ | ||
| ResourceCount: 1, | ||
| }, | ||
| } | ||
|
|
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| c.JSON(http.StatusOK, res) | ||
| } | ||
|
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| func AuthenticationMiddleware() gin.HandlerFunc { | ||
| return func(c *gin.Context) { | ||
| authHeader := c.GetHeader("Authorization") | ||
| if authHeader == "" { | ||
| er := models.LicenseError{ | ||
| Status: http.StatusBadRequest, | ||
| Message: "Please check your credentials and try again", | ||
| Error: "no credentials were passed", | ||
| Path: c.Request.URL.Path, | ||
| Timestamp: time.Now().Format(time.RFC3339), | ||
| } | ||
|
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| c.JSON(http.StatusUnauthorized, er) | ||
| c.Abort() | ||
| return | ||
| } | ||
|
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| decodedAuth, err := base64.StdEncoding.DecodeString(strings.TrimPrefix(authHeader, "Basic ")) | ||
| if err != nil { | ||
| er := models.LicenseError{ | ||
| Status: http.StatusBadRequest, | ||
| Message: "Please check your credentials and try again", | ||
| Error: err.Error(), | ||
| Path: c.Request.URL.Path, | ||
| Timestamp: time.Now().Format(time.RFC3339), | ||
| } | ||
|
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| c.JSON(http.StatusBadRequest, er) | ||
| c.Abort() | ||
| return | ||
| } | ||
|
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| auth := strings.SplitN(string(decodedAuth), ":", 2) | ||
| if len(auth) != 2 { | ||
| c.AbortWithStatus(http.StatusBadRequest) | ||
| return | ||
| } | ||
|
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| username := auth[0] | ||
| password := auth[1] | ||
|
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| var user models.User | ||
|
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| err = api.DB.Where("username = ?", username).First(&user).Error | ||
| if err != nil { | ||
| er := models.LicenseError{ | ||
| Status: http.StatusUnauthorized, | ||
| Message: "User name not found", | ||
| Error: err.Error(), | ||
| Path: c.Request.URL.Path, | ||
| Timestamp: time.Now().Format(time.RFC3339), | ||
| } | ||
|
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| c.JSON(http.StatusUnauthorized, er) | ||
| c.Abort() | ||
| return | ||
| } | ||
|
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| // Check if the password matches | ||
| if user.Userpassword != password { | ||
| er := models.LicenseError{ | ||
| Status: http.StatusUnauthorized, | ||
| Message: "Incorrect password", | ||
| Error: err.Error(), | ||
| Path: c.Request.URL.Path, | ||
| Timestamp: time.Now().Format(time.RFC3339), | ||
| } | ||
|
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| c.JSON(http.StatusUnauthorized, er) | ||
| c.Abort() | ||
| return | ||
| } | ||
|
|
||
| c.Next() | ||
| } | ||
| } |
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