code.gitea.io/gitea@v1.21.7/services/auth/auth.go (about)

     1  // Copyright 2014 The Gogs Authors. All rights reserved.
     2  // Copyright 2019 The Gitea Authors. All rights reserved.
     3  // SPDX-License-Identifier: MIT
     4  
     5  package auth
     6  
     7  import (
     8  	"fmt"
     9  	"net/http"
    10  	"regexp"
    11  	"strings"
    12  
    13  	user_model "code.gitea.io/gitea/models/user"
    14  	"code.gitea.io/gitea/modules/auth/webauthn"
    15  	gitea_context "code.gitea.io/gitea/modules/context"
    16  	"code.gitea.io/gitea/modules/log"
    17  	"code.gitea.io/gitea/modules/session"
    18  	"code.gitea.io/gitea/modules/setting"
    19  	"code.gitea.io/gitea/modules/web/middleware"
    20  )
    21  
    22  // Init should be called exactly once when the application starts to allow plugins
    23  // to allocate necessary resources
    24  func Init() {
    25  	webauthn.Init()
    26  }
    27  
    28  // isAttachmentDownload check if request is a file download (GET) with URL to an attachment
    29  func isAttachmentDownload(req *http.Request) bool {
    30  	return strings.HasPrefix(req.URL.Path, "/attachments/") && req.Method == "GET"
    31  }
    32  
    33  // isContainerPath checks if the request targets the container endpoint
    34  func isContainerPath(req *http.Request) bool {
    35  	return strings.HasPrefix(req.URL.Path, "/v2/")
    36  }
    37  
    38  var (
    39  	gitRawOrAttachPathRe = regexp.MustCompile(`^/[a-zA-Z0-9_.-]+/[a-zA-Z0-9_.-]+/(?:(?:git-(?:(?:upload)|(?:receive))-pack$)|(?:info/refs$)|(?:HEAD$)|(?:objects/)|(?:raw/)|(?:releases/download/)|(?:attachments/))`)
    40  	lfsPathRe            = regexp.MustCompile(`^/[a-zA-Z0-9_.-]+/[a-zA-Z0-9_.-]+/info/lfs/`)
    41  	archivePathRe        = regexp.MustCompile(`^/[a-zA-Z0-9_.-]+/[a-zA-Z0-9_.-]+/archive/`)
    42  )
    43  
    44  func isGitRawOrAttachPath(req *http.Request) bool {
    45  	return gitRawOrAttachPathRe.MatchString(req.URL.Path)
    46  }
    47  
    48  func isGitRawOrAttachOrLFSPath(req *http.Request) bool {
    49  	if isGitRawOrAttachPath(req) {
    50  		return true
    51  	}
    52  	if setting.LFS.StartServer {
    53  		return lfsPathRe.MatchString(req.URL.Path)
    54  	}
    55  	return false
    56  }
    57  
    58  func isArchivePath(req *http.Request) bool {
    59  	return archivePathRe.MatchString(req.URL.Path)
    60  }
    61  
    62  // handleSignIn clears existing session variables and stores new ones for the specified user object
    63  func handleSignIn(resp http.ResponseWriter, req *http.Request, sess SessionStore, user *user_model.User) {
    64  	// We need to regenerate the session...
    65  	newSess, err := session.RegenerateSession(resp, req)
    66  	if err != nil {
    67  		log.Error(fmt.Sprintf("Error regenerating session: %v", err))
    68  	} else {
    69  		sess = newSess
    70  	}
    71  
    72  	_ = sess.Delete("openid_verified_uri")
    73  	_ = sess.Delete("openid_signin_remember")
    74  	_ = sess.Delete("openid_determined_email")
    75  	_ = sess.Delete("openid_determined_username")
    76  	_ = sess.Delete("twofaUid")
    77  	_ = sess.Delete("twofaRemember")
    78  	_ = sess.Delete("webauthnAssertion")
    79  	_ = sess.Delete("linkAccount")
    80  	err = sess.Set("uid", user.ID)
    81  	if err != nil {
    82  		log.Error(fmt.Sprintf("Error setting session: %v", err))
    83  	}
    84  	err = sess.Set("uname", user.Name)
    85  	if err != nil {
    86  		log.Error(fmt.Sprintf("Error setting session: %v", err))
    87  	}
    88  
    89  	// Language setting of the user overwrites the one previously set
    90  	// If the user does not have a locale set, we save the current one.
    91  	if len(user.Language) == 0 {
    92  		lc := middleware.Locale(resp, req)
    93  		user.Language = lc.Language()
    94  		if err := user_model.UpdateUserCols(req.Context(), user, "language"); err != nil {
    95  			log.Error(fmt.Sprintf("Error updating user language [user: %d, locale: %s]", user.ID, user.Language))
    96  			return
    97  		}
    98  	}
    99  
   100  	middleware.SetLocaleCookie(resp, user.Language, 0)
   101  
   102  	// Clear whatever CSRF has right now, force to generate a new one
   103  	if ctx := gitea_context.GetWebContext(req); ctx != nil {
   104  		ctx.Csrf.DeleteCookie(ctx)
   105  	}
   106  }