mirror of
https://codeberg.org/forgejo/forgejo
synced 2024-12-01 06:16:09 +01:00
722a7c902d
In investigating #7947 it has become clear that the storage component of go-git repositories needs closing. This PR adds this Close function and adds the Close functions as necessary. In TransferOwnership the ctx.Repo.GitRepo is closed if it is open to help prevent the risk of multiple open files. Fixes #7947
777 lines
21 KiB
Go
777 lines
21 KiB
Go
// Copyright 2016 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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"fmt"
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"net/http"
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"strings"
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"time"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/auth"
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"code.gitea.io/gitea/modules/context"
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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/notification"
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api "code.gitea.io/gitea/modules/structs"
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"code.gitea.io/gitea/modules/timeutil"
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issue_service "code.gitea.io/gitea/services/issue"
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pull_service "code.gitea.io/gitea/services/pull"
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)
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// ListPullRequests returns a list of all PRs
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func ListPullRequests(ctx *context.APIContext, form api.ListPullRequestsOptions) {
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// swagger:operation GET /repos/{owner}/{repo}/pulls repository repoListPullRequests
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// ---
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// summary: List a repo's pull requests
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// produces:
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// - application/json
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// parameters:
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// - name: owner
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// in: path
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// description: owner of the repo
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// type: string
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// required: true
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// - name: repo
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// in: path
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// description: name of the repo
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// type: string
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// required: true
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// - name: page
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// in: query
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// description: Page number
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// type: integer
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// - name: state
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// in: query
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// description: "State of pull request: open or closed (optional)"
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// type: string
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// enum: [closed, open, all]
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// - name: sort
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// in: query
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// description: "Type of sort"
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// type: string
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// enum: [oldest, recentupdate, leastupdate, mostcomment, leastcomment, priority]
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// - name: milestone
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// in: query
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// description: "ID of the milestone"
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// type: integer
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// format: int64
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// - name: labels
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// in: query
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// description: "Label IDs"
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// type: array
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// collectionFormat: multi
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// items:
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// type: integer
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// format: int64
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// responses:
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// "200":
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// "$ref": "#/responses/PullRequestList"
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prs, maxResults, err := models.PullRequests(ctx.Repo.Repository.ID, &models.PullRequestsOptions{
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Page: ctx.QueryInt("page"),
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State: ctx.QueryTrim("state"),
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SortType: ctx.QueryTrim("sort"),
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Labels: ctx.QueryStrings("labels"),
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MilestoneID: ctx.QueryInt64("milestone"),
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})
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if err != nil {
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ctx.Error(500, "PullRequests", err)
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return
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}
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apiPrs := make([]*api.PullRequest, len(prs))
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for i := range prs {
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if err = prs[i].LoadIssue(); err != nil {
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ctx.Error(500, "LoadIssue", err)
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return
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}
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if err = prs[i].LoadAttributes(); err != nil {
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ctx.Error(500, "LoadAttributes", err)
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return
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}
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if err = prs[i].GetBaseRepo(); err != nil {
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ctx.Error(500, "GetBaseRepo", err)
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return
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}
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if err = prs[i].GetHeadRepo(); err != nil {
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ctx.Error(500, "GetHeadRepo", err)
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return
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}
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apiPrs[i] = prs[i].APIFormat()
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}
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ctx.SetLinkHeader(int(maxResults), models.ItemsPerPage)
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ctx.JSON(200, &apiPrs)
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}
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// GetPullRequest returns a single PR based on index
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func GetPullRequest(ctx *context.APIContext) {
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// swagger:operation GET /repos/{owner}/{repo}/pulls/{index} repository repoGetPullRequest
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// ---
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// summary: Get a pull request
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// produces:
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// - application/json
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// parameters:
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// - name: owner
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// in: path
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// description: owner of the repo
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// type: string
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// required: true
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// - name: repo
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// in: path
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// description: name of the repo
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// type: string
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// required: true
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// - name: index
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// in: path
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// description: index of the pull request to get
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// type: integer
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// format: int64
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// required: true
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// responses:
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// "200":
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// "$ref": "#/responses/PullRequest"
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pr, err := models.GetPullRequestByIndex(ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
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if err != nil {
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if models.IsErrPullRequestNotExist(err) {
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ctx.NotFound()
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} else {
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ctx.Error(500, "GetPullRequestByIndex", err)
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}
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return
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}
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if err = pr.GetBaseRepo(); err != nil {
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ctx.Error(500, "GetBaseRepo", err)
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return
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}
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if err = pr.GetHeadRepo(); err != nil {
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ctx.Error(500, "GetHeadRepo", err)
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return
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}
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ctx.JSON(200, pr.APIFormat())
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}
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// CreatePullRequest does what it says
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func CreatePullRequest(ctx *context.APIContext, form api.CreatePullRequestOption) {
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// swagger:operation POST /repos/{owner}/{repo}/pulls repository repoCreatePullRequest
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// ---
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// summary: Create a pull request
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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: owner
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// in: path
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// description: owner of the repo
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// type: string
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// required: true
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// - name: repo
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// in: path
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// description: name of the repo
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// type: string
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// required: true
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// - name: body
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// in: body
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// schema:
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// "$ref": "#/definitions/CreatePullRequestOption"
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// responses:
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// "201":
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// "$ref": "#/responses/PullRequest"
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var (
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repo = ctx.Repo.Repository
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labelIDs []int64
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assigneeID int64
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milestoneID int64
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)
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// Get repo/branch information
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_, headRepo, headGitRepo, compareInfo, baseBranch, headBranch := parseCompareInfo(ctx, form)
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if ctx.Written() {
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return
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}
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defer headGitRepo.Close()
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// Check if another PR exists with the same targets
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existingPr, err := models.GetUnmergedPullRequest(headRepo.ID, ctx.Repo.Repository.ID, headBranch, baseBranch)
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if err != nil {
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if !models.IsErrPullRequestNotExist(err) {
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ctx.Error(500, "GetUnmergedPullRequest", err)
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return
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}
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} else {
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err = models.ErrPullRequestAlreadyExists{
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ID: existingPr.ID,
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IssueID: existingPr.Index,
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HeadRepoID: existingPr.HeadRepoID,
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BaseRepoID: existingPr.BaseRepoID,
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HeadBranch: existingPr.HeadBranch,
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BaseBranch: existingPr.BaseBranch,
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}
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ctx.Error(409, "GetUnmergedPullRequest", err)
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return
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}
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if len(form.Labels) > 0 {
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labels, err := models.GetLabelsInRepoByIDs(ctx.Repo.Repository.ID, form.Labels)
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if err != nil {
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ctx.Error(500, "GetLabelsInRepoByIDs", err)
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return
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}
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labelIDs = make([]int64, len(labels))
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for i := range labels {
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labelIDs[i] = labels[i].ID
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}
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}
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if form.Milestone > 0 {
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milestone, err := models.GetMilestoneByRepoID(ctx.Repo.Repository.ID, milestoneID)
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if err != nil {
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if models.IsErrMilestoneNotExist(err) {
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ctx.NotFound()
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} else {
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ctx.Error(500, "GetMilestoneByRepoID", err)
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}
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return
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}
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milestoneID = milestone.ID
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}
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patch, err := headGitRepo.GetPatch(compareInfo.MergeBase, headBranch)
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if err != nil {
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ctx.Error(500, "GetPatch", err)
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return
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}
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var deadlineUnix timeutil.TimeStamp
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if form.Deadline != nil {
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deadlineUnix = timeutil.TimeStamp(form.Deadline.Unix())
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}
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prIssue := &models.Issue{
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RepoID: repo.ID,
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Title: form.Title,
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PosterID: ctx.User.ID,
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Poster: ctx.User,
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MilestoneID: milestoneID,
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AssigneeID: assigneeID,
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IsPull: true,
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Content: form.Body,
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DeadlineUnix: deadlineUnix,
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}
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pr := &models.PullRequest{
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HeadRepoID: headRepo.ID,
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BaseRepoID: repo.ID,
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HeadBranch: headBranch,
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BaseBranch: baseBranch,
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HeadRepo: headRepo,
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BaseRepo: repo,
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MergeBase: compareInfo.MergeBase,
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Type: models.PullRequestGitea,
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}
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// Get all assignee IDs
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assigneeIDs, err := models.MakeIDsFromAPIAssigneesToAdd(form.Assignee, form.Assignees)
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if err != nil {
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if models.IsErrUserNotExist(err) {
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ctx.Error(422, "", fmt.Sprintf("Assignee does not exist: [name: %s]", err))
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} else {
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ctx.Error(500, "AddAssigneeByName", err)
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}
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return
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}
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// Check if the passed assignees is assignable
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for _, aID := range assigneeIDs {
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assignee, err := models.GetUserByID(aID)
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if err != nil {
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ctx.Error(500, "GetUserByID", err)
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return
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}
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valid, err := models.CanBeAssigned(assignee, repo, true)
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if err != nil {
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ctx.Error(500, "canBeAssigned", err)
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return
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}
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if !valid {
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ctx.Error(422, "canBeAssigned", models.ErrUserDoesNotHaveAccessToRepo{UserID: aID, RepoName: repo.Name})
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return
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}
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}
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if err := pull_service.NewPullRequest(repo, prIssue, labelIDs, []string{}, pr, patch, assigneeIDs); err != nil {
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if models.IsErrUserDoesNotHaveAccessToRepo(err) {
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ctx.Error(400, "UserDoesNotHaveAccessToRepo", err)
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return
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}
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ctx.Error(500, "NewPullRequest", err)
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return
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} else if err := pr.PushToBaseRepo(); err != nil {
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ctx.Error(500, "PushToBaseRepo", err)
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return
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}
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notification.NotifyNewPullRequest(pr)
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log.Trace("Pull request created: %d/%d", repo.ID, prIssue.ID)
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ctx.JSON(201, pr.APIFormat())
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}
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// EditPullRequest does what it says
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func EditPullRequest(ctx *context.APIContext, form api.EditPullRequestOption) {
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// swagger:operation PATCH /repos/{owner}/{repo}/pulls/{index} repository repoEditPullRequest
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// ---
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// summary: Update a pull request. If using deadline only the date will be taken into account, and time of day ignored.
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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: owner
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// in: path
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// description: owner of the repo
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// type: string
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// required: true
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// - name: repo
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// in: path
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// description: name of the repo
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// type: string
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// required: true
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// - name: index
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// in: path
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// description: index of the pull request to edit
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// type: integer
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// format: int64
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// required: true
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// - name: body
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// in: body
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// schema:
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// "$ref": "#/definitions/EditPullRequestOption"
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// responses:
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// "201":
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// "$ref": "#/responses/PullRequest"
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pr, err := models.GetPullRequestByIndex(ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
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if err != nil {
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if models.IsErrPullRequestNotExist(err) {
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ctx.NotFound()
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} else {
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ctx.Error(500, "GetPullRequestByIndex", err)
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}
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return
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}
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err = pr.LoadIssue()
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if err != nil {
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ctx.Error(http.StatusInternalServerError, "LoadIssue", err)
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return
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}
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issue := pr.Issue
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issue.Repo = ctx.Repo.Repository
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if !issue.IsPoster(ctx.User.ID) && !ctx.Repo.CanWrite(models.UnitTypePullRequests) {
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ctx.Status(403)
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return
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}
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if len(form.Title) > 0 {
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issue.Title = form.Title
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}
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if len(form.Body) > 0 {
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issue.Content = form.Body
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}
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// Update or remove deadline if set
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if form.Deadline != nil || form.RemoveDeadline != nil {
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var deadlineUnix timeutil.TimeStamp
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if (form.RemoveDeadline == nil || !*form.RemoveDeadline) && !form.Deadline.IsZero() {
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deadline := time.Date(form.Deadline.Year(), form.Deadline.Month(), form.Deadline.Day(),
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23, 59, 59, 0, form.Deadline.Location())
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deadlineUnix = timeutil.TimeStamp(deadline.Unix())
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}
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if err := models.UpdateIssueDeadline(issue, deadlineUnix, ctx.User); err != nil {
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ctx.Error(500, "UpdateIssueDeadline", err)
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return
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}
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issue.DeadlineUnix = deadlineUnix
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}
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// Add/delete assignees
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// Deleting is done the GitHub way (quote from their api documentation):
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// https://developer.github.com/v3/issues/#edit-an-issue
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// "assignees" (array): Logins for Users to assign to this issue.
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// Pass one or more user logins to replace the set of assignees on this Issue.
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// Send an empty array ([]) to clear all assignees from the Issue.
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if ctx.Repo.CanWrite(models.UnitTypePullRequests) && (form.Assignees != nil || len(form.Assignee) > 0) {
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err = issue_service.UpdateAssignees(issue, form.Assignee, form.Assignees, ctx.User)
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if err != nil {
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if models.IsErrUserNotExist(err) {
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ctx.Error(422, "", fmt.Sprintf("Assignee does not exist: [name: %s]", err))
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} else {
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ctx.Error(500, "UpdateAssignees", err)
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}
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return
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}
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}
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if ctx.Repo.CanWrite(models.UnitTypePullRequests) && form.Milestone != 0 &&
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issue.MilestoneID != form.Milestone {
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oldMilestoneID := issue.MilestoneID
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issue.MilestoneID = form.Milestone
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if err = issue_service.ChangeMilestoneAssign(issue, ctx.User, oldMilestoneID); err != nil {
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ctx.Error(500, "ChangeMilestoneAssign", err)
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return
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}
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}
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if ctx.Repo.CanWrite(models.UnitTypePullRequests) && form.Labels != nil {
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labels, err := models.GetLabelsInRepoByIDs(ctx.Repo.Repository.ID, form.Labels)
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if err != nil {
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ctx.Error(500, "GetLabelsInRepoByIDsError", err)
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return
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}
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if err = issue.ReplaceLabels(labels, ctx.User); err != nil {
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ctx.Error(500, "ReplaceLabelsError", err)
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return
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}
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}
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if err = models.UpdateIssue(issue); err != nil {
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ctx.Error(500, "UpdateIssue", err)
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return
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}
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if form.State != nil {
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if err = issue_service.ChangeStatus(issue, ctx.User, api.StateClosed == api.StateType(*form.State)); err != nil {
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if models.IsErrDependenciesLeft(err) {
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ctx.Error(http.StatusPreconditionFailed, "DependenciesLeft", "cannot close this pull request because it still has open dependencies")
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return
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}
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ctx.Error(500, "ChangeStatus", err)
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return
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}
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}
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// Refetch from database
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pr, err = models.GetPullRequestByIndex(ctx.Repo.Repository.ID, pr.Index)
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if err != nil {
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if models.IsErrPullRequestNotExist(err) {
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ctx.NotFound()
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} else {
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ctx.Error(500, "GetPullRequestByIndex", err)
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}
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return
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}
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// TODO this should be 200, not 201
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ctx.JSON(201, pr.APIFormat())
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}
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// IsPullRequestMerged checks if a PR exists given an index
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func IsPullRequestMerged(ctx *context.APIContext) {
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// swagger:operation GET /repos/{owner}/{repo}/pulls/{index}/merge repository repoPullRequestIsMerged
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// ---
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// summary: Check if a pull request has been merged
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// produces:
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// - application/json
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// parameters:
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// - name: owner
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// in: path
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// description: owner of the repo
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// type: string
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// required: true
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// - name: repo
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// in: path
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// description: name of the repo
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// type: string
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// required: true
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// - name: index
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// in: path
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// description: index of the pull request
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// type: integer
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// format: int64
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// required: true
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// responses:
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// "204":
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// description: pull request has been merged
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// "404":
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// description: pull request has not been merged
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pr, err := models.GetPullRequestByIndex(ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
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if err != nil {
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if models.IsErrPullRequestNotExist(err) {
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ctx.NotFound()
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} else {
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ctx.Error(500, "GetPullRequestByIndex", err)
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}
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return
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}
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if pr.HasMerged {
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ctx.Status(204)
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}
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ctx.NotFound()
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}
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// MergePullRequest merges a PR given an index
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func MergePullRequest(ctx *context.APIContext, form auth.MergePullRequestForm) {
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// swagger:operation POST /repos/{owner}/{repo}/pulls/{index}/merge repository repoMergePullRequest
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// ---
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// summary: Merge a pull request
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// produces:
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// - application/json
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// parameters:
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// - name: owner
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// in: path
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// description: owner of the repo
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// type: string
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// required: true
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// - name: repo
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// in: path
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// description: name of the repo
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// type: string
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// required: true
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// - name: index
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// in: path
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// description: index of the pull request to merge
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// type: integer
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// format: int64
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// required: true
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// - name: body
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// in: body
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// schema:
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// $ref: "#/definitions/MergePullRequestOption"
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// responses:
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// "200":
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// "$ref": "#/responses/empty"
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// "405":
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// "$ref": "#/responses/empty"
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pr, err := models.GetPullRequestByIndex(ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
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if err != nil {
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if models.IsErrPullRequestNotExist(err) {
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ctx.NotFound("GetPullRequestByIndex", err)
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} else {
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ctx.Error(500, "GetPullRequestByIndex", err)
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}
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return
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}
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if err = pr.GetHeadRepo(); err != nil {
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ctx.ServerError("GetHeadRepo", err)
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return
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}
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err = pr.LoadIssue()
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if err != nil {
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ctx.Error(http.StatusInternalServerError, "LoadIssue", err)
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return
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}
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pr.Issue.Repo = ctx.Repo.Repository
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if ctx.IsSigned {
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// Update issue-user.
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if err = pr.Issue.ReadBy(ctx.User.ID); err != nil {
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ctx.Error(500, "ReadBy", err)
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return
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}
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}
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if pr.Issue.IsClosed {
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ctx.NotFound()
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return
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}
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if !pr.CanAutoMerge() || pr.HasMerged || pr.IsWorkInProgress() {
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ctx.Status(405)
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return
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}
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isPass, err := pull_service.IsPullCommitStatusPass(pr)
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if err != nil {
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ctx.Error(500, "IsPullCommitStatusPass", err)
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return
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}
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if !isPass && !ctx.IsUserRepoAdmin() {
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ctx.Status(405)
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return
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}
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if len(form.Do) == 0 {
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form.Do = string(models.MergeStyleMerge)
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}
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message := strings.TrimSpace(form.MergeTitleField)
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if len(message) == 0 {
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if models.MergeStyle(form.Do) == models.MergeStyleMerge {
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message = pr.GetDefaultMergeMessage()
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}
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if models.MergeStyle(form.Do) == models.MergeStyleSquash {
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message = pr.GetDefaultSquashMessage()
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}
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}
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form.MergeMessageField = strings.TrimSpace(form.MergeMessageField)
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if len(form.MergeMessageField) > 0 {
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message += "\n\n" + form.MergeMessageField
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}
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if err := pull_service.Merge(pr, ctx.User, ctx.Repo.GitRepo, models.MergeStyle(form.Do), message); err != nil {
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if models.IsErrInvalidMergeStyle(err) {
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ctx.Status(405)
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return
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} else if models.IsErrMergeConflicts(err) {
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conflictError := err.(models.ErrMergeConflicts)
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ctx.JSON(http.StatusConflict, conflictError)
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} else if models.IsErrRebaseConflicts(err) {
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conflictError := err.(models.ErrRebaseConflicts)
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ctx.JSON(http.StatusConflict, conflictError)
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} else if models.IsErrMergeUnrelatedHistories(err) {
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conflictError := err.(models.ErrMergeUnrelatedHistories)
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ctx.JSON(http.StatusConflict, conflictError)
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} else if models.IsErrMergePushOutOfDate(err) {
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ctx.Status(http.StatusConflict)
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return
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}
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ctx.Error(500, "Merge", err)
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return
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}
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log.Trace("Pull request merged: %d", pr.ID)
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ctx.Status(200)
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}
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func parseCompareInfo(ctx *context.APIContext, form api.CreatePullRequestOption) (*models.User, *models.Repository, *git.Repository, *git.CompareInfo, string, string) {
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baseRepo := ctx.Repo.Repository
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// Get compared branches information
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// format: <base branch>...[<head repo>:]<head branch>
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// base<-head: master...head:feature
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// same repo: master...feature
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// TODO: Validate form first?
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baseBranch := form.Base
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var (
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headUser *models.User
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headBranch string
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isSameRepo bool
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err error
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)
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// If there is no head repository, it means pull request between same repository.
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headInfos := strings.Split(form.Head, ":")
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if len(headInfos) == 1 {
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isSameRepo = true
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headUser = ctx.Repo.Owner
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headBranch = headInfos[0]
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} else if len(headInfos) == 2 {
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headUser, err = models.GetUserByName(headInfos[0])
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if err != nil {
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if models.IsErrUserNotExist(err) {
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ctx.NotFound("GetUserByName")
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} else {
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ctx.ServerError("GetUserByName", err)
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}
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return nil, nil, nil, nil, "", ""
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}
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headBranch = headInfos[1]
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} else {
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ctx.NotFound()
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return nil, nil, nil, nil, "", ""
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}
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ctx.Repo.PullRequest.SameRepo = isSameRepo
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log.Info("Base branch: %s", baseBranch)
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log.Info("Repo path: %s", ctx.Repo.GitRepo.Path)
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// Check if base branch is valid.
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if !ctx.Repo.GitRepo.IsBranchExist(baseBranch) {
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ctx.NotFound("IsBranchExist")
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return nil, nil, nil, nil, "", ""
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}
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// Check if current user has fork of repository or in the same repository.
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headRepo, has := models.HasForkedRepo(headUser.ID, baseRepo.ID)
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if !has && !isSameRepo {
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log.Trace("parseCompareInfo[%d]: does not have fork or in same repository", baseRepo.ID)
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ctx.NotFound("HasForkedRepo")
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return nil, nil, nil, nil, "", ""
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}
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var headGitRepo *git.Repository
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if isSameRepo {
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headRepo = ctx.Repo.Repository
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headGitRepo = ctx.Repo.GitRepo
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} else {
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headGitRepo, err = git.OpenRepository(models.RepoPath(headUser.Name, headRepo.Name))
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if err != nil {
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ctx.Error(500, "OpenRepository", err)
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return nil, nil, nil, nil, "", ""
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}
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}
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// user should have permission to read baseRepo's codes and pulls, NOT headRepo's
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permBase, err := models.GetUserRepoPermission(baseRepo, ctx.User)
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if err != nil {
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headGitRepo.Close()
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ctx.ServerError("GetUserRepoPermission", err)
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return nil, nil, nil, nil, "", ""
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}
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if !permBase.CanReadIssuesOrPulls(true) || !permBase.CanRead(models.UnitTypeCode) {
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if log.IsTrace() {
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log.Trace("Permission Denied: User %-v cannot create/read pull requests or cannot read code in Repo %-v\nUser in baseRepo has Permissions: %-+v",
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ctx.User,
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baseRepo,
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permBase)
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}
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headGitRepo.Close()
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ctx.NotFound("Can't read pulls or can't read UnitTypeCode")
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return nil, nil, nil, nil, "", ""
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}
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// user should have permission to read headrepo's codes
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permHead, err := models.GetUserRepoPermission(headRepo, ctx.User)
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if err != nil {
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headGitRepo.Close()
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ctx.ServerError("GetUserRepoPermission", err)
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return nil, nil, nil, nil, "", ""
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}
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if !permHead.CanRead(models.UnitTypeCode) {
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if log.IsTrace() {
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log.Trace("Permission Denied: User: %-v cannot read code in Repo: %-v\nUser in headRepo has Permissions: %-+v",
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ctx.User,
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headRepo,
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permHead)
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}
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headGitRepo.Close()
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ctx.NotFound("Can't read headRepo UnitTypeCode")
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return nil, nil, nil, nil, "", ""
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}
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// Check if head branch is valid.
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if !headGitRepo.IsBranchExist(headBranch) {
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headGitRepo.Close()
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ctx.NotFound()
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return nil, nil, nil, nil, "", ""
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}
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compareInfo, err := headGitRepo.GetCompareInfo(models.RepoPath(baseRepo.Owner.Name, baseRepo.Name), baseBranch, headBranch)
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if err != nil {
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headGitRepo.Close()
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ctx.Error(500, "GetCompareInfo", err)
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return nil, nil, nil, nil, "", ""
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}
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return headUser, headRepo, headGitRepo, compareInfo, baseBranch, headBranch
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}
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