mirror of
https://github.com/go-gitea/gitea.git
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8a9fd7f771
Fixes #17554 /claim #17554 Docs PR https://gitea.com/gitea/docs/pulls/49 To test, run pushes like: `GIT_TRACE=1` git push. The trace output should mention "pure SSH connection".
397 lines
13 KiB
Go
397 lines
13 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package private
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import (
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"fmt"
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"net/http"
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"strings"
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asymkey_model "code.gitea.io/gitea/models/asymkey"
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"code.gitea.io/gitea/models/perm"
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access_model "code.gitea.io/gitea/models/perm/access"
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repo_model "code.gitea.io/gitea/models/repo"
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"code.gitea.io/gitea/models/unit"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/private"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/services/context"
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repo_service "code.gitea.io/gitea/services/repository"
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wiki_service "code.gitea.io/gitea/services/wiki"
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)
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// ServNoCommand returns information about the provided keyid
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func ServNoCommand(ctx *context.PrivateContext) {
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keyID := ctx.PathParamInt64(":keyid")
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if keyID <= 0 {
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ctx.JSON(http.StatusBadRequest, private.Response{
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UserMsg: fmt.Sprintf("Bad key id: %d", keyID),
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})
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}
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results := private.KeyAndOwner{}
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key, err := asymkey_model.GetPublicKeyByID(ctx, keyID)
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if err != nil {
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if asymkey_model.IsErrKeyNotExist(err) {
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ctx.JSON(http.StatusUnauthorized, private.Response{
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UserMsg: fmt.Sprintf("Cannot find key: %d", keyID),
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})
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return
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}
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log.Error("Unable to get public key: %d Error: %v", keyID, err)
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ctx.JSON(http.StatusInternalServerError, private.Response{
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Err: err.Error(),
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})
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return
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}
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results.Key = key
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if key.Type == asymkey_model.KeyTypeUser || key.Type == asymkey_model.KeyTypePrincipal {
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user, err := user_model.GetUserByID(ctx, key.OwnerID)
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if err != nil {
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if user_model.IsErrUserNotExist(err) {
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ctx.JSON(http.StatusUnauthorized, private.Response{
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UserMsg: fmt.Sprintf("Cannot find owner with id: %d for key: %d", key.OwnerID, keyID),
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})
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return
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}
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log.Error("Unable to get owner with id: %d for public key: %d Error: %v", key.OwnerID, keyID, err)
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ctx.JSON(http.StatusInternalServerError, private.Response{
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Err: err.Error(),
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})
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return
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}
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if !user.IsActive || user.ProhibitLogin {
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ctx.JSON(http.StatusForbidden, private.Response{
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UserMsg: "Your account is disabled.",
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})
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return
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}
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results.Owner = user
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}
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ctx.JSON(http.StatusOK, &results)
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}
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// ServCommand returns information about the provided keyid
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func ServCommand(ctx *context.PrivateContext) {
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keyID := ctx.PathParamInt64(":keyid")
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ownerName := ctx.PathParam(":owner")
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repoName := ctx.PathParam(":repo")
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mode := perm.AccessMode(ctx.FormInt("mode"))
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// Set the basic parts of the results to return
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results := private.ServCommandResults{
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RepoName: repoName,
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OwnerName: ownerName,
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KeyID: keyID,
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}
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// Now because we're not translating things properly let's just default some English strings here
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modeString := "read"
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if mode > perm.AccessModeRead {
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modeString = "write to"
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}
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// The default unit we're trying to look at is code
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unitType := unit.TypeCode
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// Unless we're a wiki...
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if strings.HasSuffix(repoName, ".wiki") {
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// in which case we need to look at the wiki
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unitType = unit.TypeWiki
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// And we'd better munge the reponame and tell downstream we're looking at a wiki
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results.IsWiki = true
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results.RepoName = repoName[:len(repoName)-5]
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}
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owner, err := user_model.GetUserByName(ctx, results.OwnerName)
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if err != nil {
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if user_model.IsErrUserNotExist(err) {
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// User is fetching/cloning a non-existent repository
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log.Warn("Failed authentication attempt (cannot find repository: %s/%s) from %s", results.OwnerName, results.RepoName, ctx.RemoteAddr())
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ctx.JSON(http.StatusNotFound, private.Response{
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UserMsg: fmt.Sprintf("Cannot find repository: %s/%s", results.OwnerName, results.RepoName),
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})
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return
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}
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log.Error("Unable to get repository owner: %s/%s Error: %v", results.OwnerName, results.RepoName, err)
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ctx.JSON(http.StatusForbidden, private.Response{
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UserMsg: fmt.Sprintf("Unable to get repository owner: %s/%s %v", results.OwnerName, results.RepoName, err),
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})
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return
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}
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if !owner.IsOrganization() && !owner.IsActive {
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ctx.JSON(http.StatusForbidden, private.Response{
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UserMsg: "Repository cannot be accessed, you could retry it later",
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})
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return
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}
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// Now get the Repository and set the results section
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repoExist := true
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repo, err := repo_model.GetRepositoryByName(ctx, owner.ID, results.RepoName)
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if err != nil {
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if repo_model.IsErrRepoNotExist(err) {
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repoExist = false
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if mode == perm.AccessModeRead {
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// User is fetching/cloning a non-existent repository
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log.Warn("Failed authentication attempt (cannot find repository: %s/%s) from %s", results.OwnerName, results.RepoName, ctx.RemoteAddr())
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ctx.JSON(http.StatusNotFound, private.Response{
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UserMsg: fmt.Sprintf("Cannot find repository: %s/%s", results.OwnerName, results.RepoName),
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})
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return
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}
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// else fallthrough (push-to-create may kick in below)
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} else {
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log.Error("Unable to get repository: %s/%s Error: %v", results.OwnerName, results.RepoName, err)
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ctx.JSON(http.StatusInternalServerError, private.Response{
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Err: fmt.Sprintf("Unable to get repository: %s/%s %v", results.OwnerName, results.RepoName, err),
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})
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return
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}
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}
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if repoExist {
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repo.Owner = owner
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repo.OwnerName = ownerName
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results.RepoID = repo.ID
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if repo.IsBeingCreated() {
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ctx.JSON(http.StatusInternalServerError, private.Response{
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Err: "Repository is being created, you could retry after it finished",
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})
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return
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}
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if repo.IsBroken() {
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ctx.JSON(http.StatusInternalServerError, private.Response{
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Err: "Repository is in a broken state",
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})
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return
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}
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// We can shortcut at this point if the repo is a mirror
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if mode > perm.AccessModeRead && repo.IsMirror {
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ctx.JSON(http.StatusForbidden, private.Response{
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UserMsg: fmt.Sprintf("Mirror Repository %s/%s is read-only", results.OwnerName, results.RepoName),
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})
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return
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}
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}
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// Get the Public Key represented by the keyID
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key, err := asymkey_model.GetPublicKeyByID(ctx, keyID)
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if err != nil {
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if asymkey_model.IsErrKeyNotExist(err) {
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ctx.JSON(http.StatusNotFound, private.Response{
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UserMsg: fmt.Sprintf("Cannot find key: %d", keyID),
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})
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return
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}
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log.Error("Unable to get public key: %d Error: %v", keyID, err)
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ctx.JSON(http.StatusInternalServerError, private.Response{
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Err: fmt.Sprintf("Unable to get key: %d Error: %v", keyID, err),
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})
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return
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}
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results.KeyName = key.Name
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results.KeyID = key.ID
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results.UserID = key.OwnerID
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// If repo doesn't exist, deploy key doesn't make sense
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if !repoExist && key.Type == asymkey_model.KeyTypeDeploy {
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ctx.JSON(http.StatusNotFound, private.Response{
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UserMsg: fmt.Sprintf("Cannot find repository %s/%s", results.OwnerName, results.RepoName),
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})
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return
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}
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// Deploy Keys have ownerID set to 0 therefore we can't use the owner
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// So now we need to check if the key is a deploy key
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// We'll keep hold of the deploy key here for permissions checking
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var deployKey *asymkey_model.DeployKey
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var user *user_model.User
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if key.Type == asymkey_model.KeyTypeDeploy {
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var err error
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deployKey, err = asymkey_model.GetDeployKeyByRepo(ctx, key.ID, repo.ID)
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if err != nil {
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if asymkey_model.IsErrDeployKeyNotExist(err) {
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ctx.JSON(http.StatusNotFound, private.Response{
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UserMsg: fmt.Sprintf("Public (Deploy) Key: %d:%s is not authorized to %s %s/%s.", key.ID, key.Name, modeString, results.OwnerName, results.RepoName),
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})
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return
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}
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log.Error("Unable to get deploy for public (deploy) key: %d in %-v Error: %v", key.ID, repo, err)
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ctx.JSON(http.StatusInternalServerError, private.Response{
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Err: fmt.Sprintf("Unable to get Deploy Key for Public Key: %d:%s in %s/%s.", key.ID, key.Name, results.OwnerName, results.RepoName),
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})
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return
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}
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results.DeployKeyID = deployKey.ID
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results.KeyName = deployKey.Name
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// FIXME: Deploy keys aren't really the owner of the repo pushing changes
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// however we don't have good way of representing deploy keys in hook.go
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// so for now use the owner of the repository
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results.UserName = results.OwnerName
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results.UserID = repo.OwnerID
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if !repo.Owner.KeepEmailPrivate {
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results.UserEmail = repo.Owner.Email
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}
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} else {
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// Get the user represented by the Key
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var err error
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user, err = user_model.GetUserByID(ctx, key.OwnerID)
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if err != nil {
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if user_model.IsErrUserNotExist(err) {
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ctx.JSON(http.StatusUnauthorized, private.Response{
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UserMsg: fmt.Sprintf("Public Key: %d:%s owner %d does not exist.", key.ID, key.Name, key.OwnerID),
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})
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return
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}
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log.Error("Unable to get owner: %d for public key: %d:%s Error: %v", key.OwnerID, key.ID, key.Name, err)
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ctx.JSON(http.StatusInternalServerError, private.Response{
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Err: fmt.Sprintf("Unable to get Owner: %d for Deploy Key: %d:%s in %s/%s.", key.OwnerID, key.ID, key.Name, ownerName, repoName),
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})
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return
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}
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if !user.IsActive || user.ProhibitLogin {
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ctx.JSON(http.StatusForbidden, private.Response{
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UserMsg: "Your account is disabled.",
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})
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return
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}
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results.UserName = user.Name
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if !user.KeepEmailPrivate {
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results.UserEmail = user.Email
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}
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}
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// Don't allow pushing if the repo is archived
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if repoExist && mode > perm.AccessModeRead && repo.IsArchived {
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ctx.JSON(http.StatusUnauthorized, private.Response{
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UserMsg: fmt.Sprintf("Repo: %s/%s is archived.", results.OwnerName, results.RepoName),
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})
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return
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}
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// Permissions checking:
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if repoExist &&
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(mode > perm.AccessModeRead ||
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repo.IsPrivate ||
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owner.Visibility.IsPrivate() ||
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(user != nil && user.IsRestricted) || // user will be nil if the key is a deploykey
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setting.Service.RequireSignInView) {
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if key.Type == asymkey_model.KeyTypeDeploy {
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if deployKey.Mode < mode {
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ctx.JSON(http.StatusUnauthorized, private.Response{
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UserMsg: fmt.Sprintf("Deploy Key: %d:%s is not authorized to %s %s/%s.", key.ID, key.Name, modeString, results.OwnerName, results.RepoName),
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})
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return
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}
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} else {
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// Because of the special ref "refs/for" we will need to delay write permission check
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if git.DefaultFeatures().SupportProcReceive && unitType == unit.TypeCode {
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mode = perm.AccessModeRead
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}
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perm, err := access_model.GetUserRepoPermission(ctx, repo, user)
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if err != nil {
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log.Error("Unable to get permissions for %-v with key %d in %-v Error: %v", user, key.ID, repo, err)
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ctx.JSON(http.StatusInternalServerError, private.Response{
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Err: fmt.Sprintf("Unable to get permissions for user %d:%s with key %d in %s/%s Error: %v", user.ID, user.Name, key.ID, results.OwnerName, results.RepoName, err),
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})
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return
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}
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userMode := perm.UnitAccessMode(unitType)
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if userMode < mode {
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log.Warn("Failed authentication attempt for %s with key %s (not authorized to %s %s/%s) from %s", user.Name, key.Name, modeString, ownerName, repoName, ctx.RemoteAddr())
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ctx.JSON(http.StatusUnauthorized, private.Response{
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UserMsg: fmt.Sprintf("User: %d:%s with Key: %d:%s is not authorized to %s %s/%s.", user.ID, user.Name, key.ID, key.Name, modeString, ownerName, repoName),
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})
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return
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}
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}
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}
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// We already know we aren't using a deploy key
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if !repoExist {
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owner, err := user_model.GetUserByName(ctx, ownerName)
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if err != nil {
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ctx.JSON(http.StatusInternalServerError, private.Response{
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Err: fmt.Sprintf("Unable to get owner: %s %v", results.OwnerName, err),
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})
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return
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}
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if owner.IsOrganization() && !setting.Repository.EnablePushCreateOrg {
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ctx.JSON(http.StatusForbidden, private.Response{
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UserMsg: "Push to create is not enabled for organizations.",
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})
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return
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}
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if !owner.IsOrganization() && !setting.Repository.EnablePushCreateUser {
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ctx.JSON(http.StatusForbidden, private.Response{
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UserMsg: "Push to create is not enabled for users.",
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})
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return
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}
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repo, err = repo_service.PushCreateRepo(ctx, user, owner, results.RepoName)
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if err != nil {
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log.Error("pushCreateRepo: %v", err)
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ctx.JSON(http.StatusNotFound, private.Response{
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UserMsg: fmt.Sprintf("Cannot find repository: %s/%s", results.OwnerName, results.RepoName),
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})
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return
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}
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results.RepoID = repo.ID
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}
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if results.IsWiki {
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// Ensure the wiki is enabled before we allow access to it
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if _, err := repo.GetUnit(ctx, unit.TypeWiki); err != nil {
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if repo_model.IsErrUnitTypeNotExist(err) {
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ctx.JSON(http.StatusForbidden, private.Response{
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UserMsg: "repository wiki is disabled",
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})
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return
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}
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log.Error("Failed to get the wiki unit in %-v Error: %v", repo, err)
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ctx.JSON(http.StatusInternalServerError, private.Response{
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Err: fmt.Sprintf("Failed to get the wiki unit in %s/%s Error: %v", ownerName, repoName, err),
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})
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return
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}
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// Finally if we're trying to touch the wiki we should init it
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if err = wiki_service.InitWiki(ctx, repo); err != nil {
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log.Error("Failed to initialize the wiki in %-v Error: %v", repo, err)
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ctx.JSON(http.StatusInternalServerError, private.Response{
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Err: fmt.Sprintf("Failed to initialize the wiki in %s/%s Error: %v", ownerName, repoName, err),
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})
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return
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}
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}
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log.Debug("Serv Results:\nIsWiki: %t\nDeployKeyID: %d\nKeyID: %d\tKeyName: %s\nUserName: %s\nUserID: %d\nOwnerName: %s\nRepoName: %s\nRepoID: %d",
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results.IsWiki,
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results.DeployKeyID,
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results.KeyID,
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results.KeyName,
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results.UserName,
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results.UserID,
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results.OwnerName,
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results.RepoName,
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results.RepoID)
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ctx.JSON(http.StatusOK, results)
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// We will update the keys in a different call.
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}
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