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// Copyright 2017 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package lfs
import (
"encoding/json"
"strconv"
"strings"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
api "code.gitea.io/gitea/modules/structs"
)
//checkIsValidRequest check if it a valid request in case of bad request it write the response to ctx.
func checkIsValidRequest(ctx *context.Context) bool {
if !setting.LFS.StartServer {
writeStatus(ctx, 404)
return false
}
if !MetaMatcher(ctx.Req) {
writeStatus(ctx, 400)
return false
}
if !ctx.IsSigned {
user, _, _, err := parseToken(ctx.Req.Header.Get("Authorization"))
if err != nil {
ctx.Resp.Header().Set("WWW-Authenticate", "Basic realm=gitea-lfs")
writeStatus(ctx, 401)
return false
}
ctx.User = user
}
return true
}
func handleLockListOut(ctx *context.Context, repo *models.Repository, lock *models.LFSLock, err error) {
if err != nil {
if models.IsErrLFSLockNotExist(err) {
ctx.JSON(200, api.LFSLockList{
Locks: []*api.LFSLock{},
})
return
}
ctx.JSON(500, api.LFSLockError{
Message: "unable to list locks : " + err.Error(),
})
return
}
if repo.ID != lock.RepoID {
ctx.JSON(200, api.LFSLockList{
Locks: []*api.LFSLock{},
})
return
}
ctx.JSON(200, api.LFSLockList{
Locks: []*api.LFSLock{lock.APIFormat()},
})
}
// GetListLockHandler list locks
func GetListLockHandler(ctx *context.Context) {
if !checkIsValidRequest(ctx) {
return
}
ctx.Resp.Header().Set("Content-Type", metaMediaType)
rv := unpack(ctx)
repository, err := models.GetRepositoryByOwnerAndName(rv.User, rv.Repo)
if err != nil {
log.Debug("Could not find repository: %s/%s - %s", rv.User, rv.Repo, err)
writeStatus(ctx, 404)
return
}
repository.MustOwner()
authenticated := authenticate(ctx, repository, rv.Authorization, false)
if !authenticated {
ctx.Resp.Header().Set("WWW-Authenticate", "Basic realm=gitea-lfs")
ctx.JSON(401, api.LFSLockError{
Message: "You must have pull access to list locks",
})
return
}
//TODO handle query cursor and limit
id := ctx.Query("id")
if id != "" { //Case where we request a specific id
v, err := strconv.ParseInt(id, 10, 64)
if err != nil {
ctx.JSON(400, api.LFSLockError{
Message: "bad request : " + err.Error(),
})
return
}
lock, err := models.GetLFSLockByID(v)
handleLockListOut(ctx, repository, lock, err)
return
}
path := ctx.Query("path")
if path != "" { //Case where we request a specific id
lock, err := models.GetLFSLock(repository, path)
handleLockListOut(ctx, repository, lock, err)
return
}
//If no query params path or id
lockList, err := models.GetLFSLockByRepoID(repository.ID)
if err != nil {
ctx.JSON(500, api.LFSLockError{
Message: "unable to list locks : " + err.Error(),
})
return
}
lockListAPI := make([]*api.LFSLock, len(lockList))
for i, l := range lockList {
lockListAPI[i] = l.APIFormat()
}
ctx.JSON(200, api.LFSLockList{
Locks: lockListAPI,
})
}
// PostLockHandler create lock
func PostLockHandler(ctx *context.Context) {
if !checkIsValidRequest(ctx) {
return
}
ctx.Resp.Header().Set("Content-Type", metaMediaType)
userName := ctx.Params("username")
repoName := strings.TrimSuffix(ctx.Params("reponame"), ".git")
authorization := ctx.Req.Header.Get("Authorization")
repository, err := models.GetRepositoryByOwnerAndName(userName, repoName)
if err != nil {
log.Debug("Could not find repository: %s/%s - %s", userName, repoName, err)
writeStatus(ctx, 404)
return
}
repository.MustOwner()
authenticated := authenticate(ctx, repository, authorization, true)
if !authenticated {
ctx.Resp.Header().Set("WWW-Authenticate", "Basic realm=gitea-lfs")
ctx.JSON(401, api.LFSLockError{
Message: "You must have push access to create locks",
})
return
}
var req api.LFSLockRequest
bodyReader := ctx.Req.Body().ReadCloser()
defer bodyReader.Close()
dec := json.NewDecoder(bodyReader)
if err := dec.Decode(&req); err != nil {
writeStatus(ctx, 400)
return
}
lock, err := models.CreateLFSLock(&models.LFSLock{
Repo: repository,
Path: req.Path,
Owner: ctx.User,
})
if err != nil {
if models.IsErrLFSLockAlreadyExist(err) {
ctx.JSON(409, api.LFSLockError{
Lock: lock.APIFormat(),
Message: "already created lock",
})
return
}
if models.IsErrLFSUnauthorizedAction(err) {
ctx.Resp.Header().Set("WWW-Authenticate", "Basic realm=gitea-lfs")
ctx.JSON(401, api.LFSLockError{
Message: "You must have push access to create locks : " + err.Error(),
})
return
}
ctx.JSON(500, api.LFSLockError{
Message: "internal server error : " + err.Error(),
})
return
}
ctx.JSON(201, api.LFSLockResponse{Lock: lock.APIFormat()})
}
// VerifyLockHandler list locks for verification
func VerifyLockHandler(ctx *context.Context) {
if !checkIsValidRequest(ctx) {
return
}
ctx.Resp.Header().Set("Content-Type", metaMediaType)
userName := ctx.Params("username")
repoName := strings.TrimSuffix(ctx.Params("reponame"), ".git")
authorization := ctx.Req.Header.Get("Authorization")
repository, err := models.GetRepositoryByOwnerAndName(userName, repoName)
if err != nil {
log.Debug("Could not find repository: %s/%s - %s", userName, repoName, err)
writeStatus(ctx, 404)
return
}
repository.MustOwner()
authenticated := authenticate(ctx, repository, authorization, true)
if !authenticated {
ctx.Resp.Header().Set("WWW-Authenticate", "Basic realm=gitea-lfs")
ctx.JSON(401, api.LFSLockError{
Message: "You must have push access to verify locks",
})
return
}
//TODO handle body json cursor and limit
lockList, err := models.GetLFSLockByRepoID(repository.ID)
if err != nil {
ctx.JSON(500, api.LFSLockError{
Message: "unable to list locks : " + err.Error(),
})
return
}
lockOursListAPI := make([]*api.LFSLock, 0, len(lockList))
lockTheirsListAPI := make([]*api.LFSLock, 0, len(lockList))
for _, l := range lockList {
if l.Owner.ID == ctx.User.ID {
lockOursListAPI = append(lockOursListAPI, l.APIFormat())
} else {
lockTheirsListAPI = append(lockTheirsListAPI, l.APIFormat())
}
}
ctx.JSON(200, api.LFSLockListVerify{
Ours: lockOursListAPI,
Theirs: lockTheirsListAPI,
})
}
// UnLockHandler delete locks
func UnLockHandler(ctx *context.Context) {
if !checkIsValidRequest(ctx) {
return
}
ctx.Resp.Header().Set("Content-Type", metaMediaType)
userName := ctx.Params("username")
repoName := strings.TrimSuffix(ctx.Params("reponame"), ".git")
authorization := ctx.Req.Header.Get("Authorization")
repository, err := models.GetRepositoryByOwnerAndName(userName, repoName)
if err != nil {
log.Debug("Could not find repository: %s/%s - %s", userName, repoName, err)
writeStatus(ctx, 404)
return
}
repository.MustOwner()
authenticated := authenticate(ctx, repository, authorization, true)
if !authenticated {
ctx.Resp.Header().Set("WWW-Authenticate", "Basic realm=gitea-lfs")
ctx.JSON(401, api.LFSLockError{
Message: "You must have push access to delete locks",
})
return
}
var req api.LFSLockDeleteRequest
bodyReader := ctx.Req.Body().ReadCloser()
defer bodyReader.Close()
dec := json.NewDecoder(bodyReader)
if err := dec.Decode(&req); err != nil {
writeStatus(ctx, 400)
return
}
lock, err := models.DeleteLFSLockByID(ctx.ParamsInt64("lid"), ctx.User, req.Force)
if err != nil {
if models.IsErrLFSUnauthorizedAction(err) {
ctx.Resp.Header().Set("WWW-Authenticate", "Basic realm=gitea-lfs")
ctx.JSON(401, api.LFSLockError{
Message: "You must have push access to delete locks : " + err.Error(),
})
return
}
ctx.JSON(500, api.LFSLockError{
Message: "unable to delete lock : " + err.Error(),
})
return
}
ctx.JSON(200, api.LFSLockResponse{Lock: lock.APIFormat()})
}
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