Files
nixcn-cms/service/auth/redirect.go
Asai Neko c2fd1c5cc8
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Fix missed saving file (auth/redirect service)
Signed-off-by: Asai Neko <sugar@sne.moe>
2026-01-05 22:22:12 +08:00

129 lines
2.7 KiB
Go

package auth
import (
"net/url"
"nixcn-cms/data"
"nixcn-cms/pkgs/authcode"
"github.com/gin-gonic/gin"
"github.com/google/uuid"
"gorm.io/gorm"
)
func Redirect(c *gin.Context) {
clientId := c.Query("client_id")
if clientId == "" {
c.JSON(400, gin.H{"status": "invalid request"})
return
}
redirectUri := c.Query("redirect_uri")
if redirectUri == "" {
c.JSON(400, gin.H{"status": "invalid request"})
return
}
state := c.Query("state")
if state == "" {
c.JSON(400, gin.H{"status": "invalid request"})
return
}
code := c.Query("code")
if code == "" {
userIdOrig, ok := c.Get("user_id")
if !ok || userIdOrig == "" {
c.JSON(401, gin.H{"status": "unauthorized"})
return
}
userId, err := uuid.Parse(userIdOrig.(string))
if err != nil {
c.JSON(500, gin.H{"status": "failed to parse uuid"})
return
}
userData := new(data.User)
user, err := userData.GetByUserId(userId)
if err != nil {
c.JSON(500, gin.H{"status": "failed to get user id"})
return
}
code, err := authcode.NewAuthCode(clientId, user.Email)
if err != nil {
c.JSON(500, gin.H{"status": "code gen failed"})
return
}
url, err := url.Parse(redirectUri)
if err != nil {
c.JSON(400, gin.H{"status": "invalid redirect uri"})
return
}
query := url.Query()
query.Set("code", code)
url.RawQuery = query.Encode()
c.Redirect(302, url.String())
}
// Verify email token
authCode, ok := authcode.VerifyAuthCode(code)
if !ok {
c.JSON(403, gin.H{"status": "invalid or expired token"})
return
}
// Verify if user exists
userData := new(data.User)
user, err := userData.GetByEmail(authCode.Email)
if err != nil {
if err == gorm.ErrRecordNotFound {
// Create user
user.UUID = uuid.New()
user.UserId = uuid.New()
user.Email = authCode.Email
user.PermissionLevel = 10
if err := user.Create(); err != nil {
c.JSON(500, gin.H{"status": "internal server error"})
return
}
} else {
c.JSON(500, gin.H{"status": "internal server error"})
return
}
}
clientData := new(data.Client)
client, err := clientData.GetClientByClientId(clientId)
if err != nil {
c.JSON(400, gin.H{"status": "client not found"})
return
}
err = client.ValidateRedirectURI(redirectUri)
if err != nil {
c.JSON(400, gin.H{"status": "redirect uri not match"})
return
}
newCode, err := authcode.NewAuthCode(clientId, authCode.Email)
if err != nil {
c.JSON(500, gin.H{"status": "internal server error"})
return
}
url, err := url.Parse(redirectUri)
if err != nil {
c.JSON(400, gin.H{"status": "invalid redirect uri"})
return
}
query := url.Query()
query.Set("code", newCode)
url.RawQuery = query.Encode()
c.Redirect(302, url.String())
}