272 lines
8.9 KiB
Go
272 lines
8.9 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package repo
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import (
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"bytes"
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"errors"
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"fmt"
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"net/http"
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"strings"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/models/db"
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"code.gitea.io/gitea/models/perm"
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repo_model "code.gitea.io/gitea/models/repo"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/context"
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"code.gitea.io/gitea/modules/convert"
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"code.gitea.io/gitea/modules/graceful"
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"code.gitea.io/gitea/modules/lfs"
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"code.gitea.io/gitea/modules/log"
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base "code.gitea.io/gitea/modules/migration"
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"code.gitea.io/gitea/modules/notification"
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repo_module "code.gitea.io/gitea/modules/repository"
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"code.gitea.io/gitea/modules/setting"
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api "code.gitea.io/gitea/modules/structs"
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"code.gitea.io/gitea/modules/util"
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"code.gitea.io/gitea/modules/web"
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"code.gitea.io/gitea/services/forms"
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"code.gitea.io/gitea/services/migrations"
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)
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// Migrate migrate remote git repository to gitea
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func Migrate(ctx *context.APIContext) {
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// swagger:operation POST /repos/migrate repository repoMigrate
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// ---
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// summary: Migrate a remote git repository
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// consumes:
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// - application/json
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// produces:
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// - application/json
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// parameters:
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// - name: body
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// in: body
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// schema:
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// "$ref": "#/definitions/MigrateRepoOptions"
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// responses:
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// "201":
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// "$ref": "#/responses/Repository"
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// "403":
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// "$ref": "#/responses/forbidden"
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// "422":
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// "$ref": "#/responses/validationError"
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form := web.GetForm(ctx).(*api.MigrateRepoOptions)
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// get repoOwner
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var (
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repoOwner *user_model.User
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err error
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)
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if len(form.RepoOwner) != 0 {
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repoOwner, err = user_model.GetUserByName(form.RepoOwner)
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} else if form.RepoOwnerID != 0 {
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repoOwner, err = user_model.GetUserByID(form.RepoOwnerID)
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} else {
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repoOwner = ctx.User
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}
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if err != nil {
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if user_model.IsErrUserNotExist(err) {
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ctx.Error(http.StatusUnprocessableEntity, "", err)
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} else {
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ctx.Error(http.StatusInternalServerError, "GetUser", err)
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}
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return
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}
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if ctx.HasError() {
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ctx.Error(http.StatusUnprocessableEntity, "", ctx.GetErrMsg())
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return
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}
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if !ctx.User.IsAdmin {
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if !repoOwner.IsOrganization() && ctx.User.ID != repoOwner.ID {
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ctx.Error(http.StatusForbidden, "", "Given user is not an organization.")
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return
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}
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if repoOwner.IsOrganization() {
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// Check ownership of organization.
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isOwner, err := models.OrgFromUser(repoOwner).IsOwnedBy(ctx.User.ID)
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if err != nil {
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ctx.Error(http.StatusInternalServerError, "IsOwnedBy", err)
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return
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} else if !isOwner {
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ctx.Error(http.StatusForbidden, "", "Given user is not owner of organization.")
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return
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}
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}
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}
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remoteAddr, err := forms.ParseRemoteAddr(form.CloneAddr, form.AuthUsername, form.AuthPassword)
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if err == nil {
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err = migrations.IsMigrateURLAllowed(remoteAddr, ctx.User)
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}
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if err != nil {
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handleRemoteAddrError(ctx, err)
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return
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}
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gitServiceType := convert.ToGitServiceType(form.Service)
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if form.Mirror && setting.Mirror.DisableNewPull {
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ctx.Error(http.StatusForbidden, "MirrorsGlobalDisabled", fmt.Errorf("the site administrator has disabled the creation of new pull mirrors"))
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return
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}
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if setting.Repository.DisableMigrations {
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ctx.Error(http.StatusForbidden, "MigrationsGlobalDisabled", fmt.Errorf("the site administrator has disabled migrations"))
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return
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}
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form.LFS = form.LFS && setting.LFS.StartServer
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if form.LFS && len(form.LFSEndpoint) > 0 {
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ep := lfs.DetermineEndpoint("", form.LFSEndpoint)
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if ep == nil {
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ctx.Error(http.StatusInternalServerError, "", ctx.Tr("repo.migrate.invalid_lfs_endpoint"))
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return
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}
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err = migrations.IsMigrateURLAllowed(ep.String(), ctx.User)
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if err != nil {
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handleRemoteAddrError(ctx, err)
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return
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}
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}
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opts := migrations.MigrateOptions{
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CloneAddr: remoteAddr,
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RepoName: form.RepoName,
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Description: form.Description,
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Private: form.Private || setting.Repository.ForcePrivate,
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Mirror: form.Mirror,
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LFS: form.LFS,
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LFSEndpoint: form.LFSEndpoint,
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AuthUsername: form.AuthUsername,
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AuthPassword: form.AuthPassword,
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AuthToken: form.AuthToken,
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Wiki: form.Wiki,
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Issues: form.Issues,
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Milestones: form.Milestones,
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Labels: form.Labels,
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Comments: true,
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PullRequests: form.PullRequests,
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Releases: form.Releases,
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GitServiceType: gitServiceType,
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MirrorInterval: form.MirrorInterval,
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}
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if opts.Mirror {
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opts.Issues = false
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opts.Milestones = false
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opts.Labels = false
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opts.Comments = false
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opts.PullRequests = false
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opts.Releases = false
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}
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repo, err := repo_module.CreateRepository(ctx.User, repoOwner, models.CreateRepoOptions{
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Name: opts.RepoName,
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Description: opts.Description,
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OriginalURL: form.CloneAddr,
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GitServiceType: gitServiceType,
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IsPrivate: opts.Private,
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IsMirror: opts.Mirror,
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Status: repo_model.RepositoryBeingMigrated,
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})
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if err != nil {
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handleMigrateError(ctx, repoOwner, remoteAddr, err)
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return
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}
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opts.MigrateToRepoID = repo.ID
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defer func() {
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if e := recover(); e != nil {
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var buf bytes.Buffer
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fmt.Fprintf(&buf, "Handler crashed with error: %v", log.Stack(2))
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err = errors.New(buf.String())
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}
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if err == nil {
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notification.NotifyMigrateRepository(ctx.User, repoOwner, repo)
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return
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}
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if repo != nil {
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if errDelete := models.DeleteRepository(ctx.User, repoOwner.ID, repo.ID); errDelete != nil {
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log.Error("DeleteRepository: %v", errDelete)
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}
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}
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}()
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if _, err = migrations.MigrateRepository(graceful.GetManager().HammerContext(), ctx.User, repoOwner.Name, opts, nil); err != nil {
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handleMigrateError(ctx, repoOwner, remoteAddr, err)
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return
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}
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log.Trace("Repository migrated: %s/%s", repoOwner.Name, form.RepoName)
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ctx.JSON(http.StatusCreated, convert.ToRepo(repo, perm.AccessModeAdmin))
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}
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func handleMigrateError(ctx *context.APIContext, repoOwner *user_model.User, remoteAddr string, err error) {
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switch {
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case repo_model.IsErrRepoAlreadyExist(err):
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ctx.Error(http.StatusConflict, "", "The repository with the same name already exists.")
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case repo_model.IsErrRepoFilesAlreadyExist(err):
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ctx.Error(http.StatusConflict, "", "Files already exist for this repository. Adopt them or delete them.")
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case migrations.IsRateLimitError(err):
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ctx.Error(http.StatusUnprocessableEntity, "", "Remote visit addressed rate limitation.")
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case migrations.IsTwoFactorAuthError(err):
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ctx.Error(http.StatusUnprocessableEntity, "", "Remote visit required two factors authentication.")
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case repo_model.IsErrReachLimitOfRepo(err):
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ctx.Error(http.StatusUnprocessableEntity, "", fmt.Sprintf("You have already reached your limit of %d repositories.", repoOwner.MaxCreationLimit()))
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case db.IsErrNameReserved(err):
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ctx.Error(http.StatusUnprocessableEntity, "", fmt.Sprintf("The username '%s' is reserved.", err.(db.ErrNameReserved).Name))
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case db.IsErrNameCharsNotAllowed(err):
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ctx.Error(http.StatusUnprocessableEntity, "", fmt.Sprintf("The username '%s' contains invalid characters.", err.(db.ErrNameCharsNotAllowed).Name))
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case db.IsErrNamePatternNotAllowed(err):
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ctx.Error(http.StatusUnprocessableEntity, "", fmt.Sprintf("The pattern '%s' is not allowed in a username.", err.(db.ErrNamePatternNotAllowed).Pattern))
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case models.IsErrInvalidCloneAddr(err):
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ctx.Error(http.StatusUnprocessableEntity, "", err)
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case base.IsErrNotSupported(err):
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ctx.Error(http.StatusUnprocessableEntity, "", err)
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default:
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err = util.NewStringURLSanitizedError(err, remoteAddr, true)
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if strings.Contains(err.Error(), "Authentication failed") ||
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strings.Contains(err.Error(), "Bad credentials") ||
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strings.Contains(err.Error(), "could not read Username") {
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ctx.Error(http.StatusUnprocessableEntity, "", fmt.Sprintf("Authentication failed: %v.", err))
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} else if strings.Contains(err.Error(), "fatal:") {
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ctx.Error(http.StatusUnprocessableEntity, "", fmt.Sprintf("Migration failed: %v.", err))
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} else {
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ctx.Error(http.StatusInternalServerError, "MigrateRepository", err)
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}
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}
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}
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func handleRemoteAddrError(ctx *context.APIContext, err error) {
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if models.IsErrInvalidCloneAddr(err) {
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addrErr := err.(*models.ErrInvalidCloneAddr)
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switch {
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case addrErr.IsURLError:
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ctx.Error(http.StatusUnprocessableEntity, "", err)
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case addrErr.IsPermissionDenied:
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if addrErr.LocalPath {
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ctx.Error(http.StatusUnprocessableEntity, "", "You are not allowed to import local repositories.")
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} else {
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ctx.Error(http.StatusUnprocessableEntity, "", "You can not import from disallowed hosts.")
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}
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case addrErr.IsInvalidPath:
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ctx.Error(http.StatusUnprocessableEntity, "", "Invalid local path, it does not exist or not a directory.")
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default:
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ctx.Error(http.StatusInternalServerError, "ParseRemoteAddr", "Unknown error type (ErrInvalidCloneAddr): "+err.Error())
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}
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} else {
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ctx.Error(http.StatusInternalServerError, "ParseRemoteAddr", err)
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}
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}
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