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|
package forge
import (
"context"
"encoding/base64"
"mime"
"path"
"slices"
"strconv"
"strings"
"time"
"unicode/utf8"
)
type repoView struct {
Path string `json:"path"`
Owner string `json:"owner"`
Name string `json:"name"`
Description string `json:"description"`
Visibility string `json:"visibility"`
Tags []string `json:"tags"`
Archived bool `json:"archived"`
ForkOf *string `json:"fork_of"`
Mirror *string `json:"mirror_of"`
Stars int `json:"stars"`
Forks int `json:"forks"`
Branch string `json:"default_branch"`
Language string `json:"language,omitempty"`
Created *string `json:"created"`
Pushed *string `json:"pushed"`
Clone cloneSet `json:"clone"`
URL string `json:"url"`
API string `json:"api"`
}
type cloneSet struct {
HTTPS string `json:"https"`
SSH string `json:"ssh"`
}
type refView struct {
Name string `json:"name"`
Kind string `json:"kind"`
SHA string `json:"sha"`
At *string `json:"at"`
Default bool `json:"default"`
}
type personView struct {
Name string `json:"name"`
Email string `json:"email"`
Account *string `json:"account"`
}
type commitView struct {
SHA string `json:"sha"`
Subject string `json:"subject"`
Body string `json:"body"`
Author personView `json:"author"`
At *string `json:"at"`
Parents []string `json:"parents"`
Seal *string `json:"sealed_by"`
Files []fileView `json:"files,omitempty"`
}
type fileView struct {
Path string `json:"path"`
From string `json:"from,omitempty"`
Status string `json:"status"`
Binary bool `json:"binary"`
Added int `json:"added"`
Removed int `json:"removed"`
Hunks []hunkView `json:"hunks,omitempty"`
}
type hunkView struct {
Header string `json:"header"`
Lines []string `json:"lines"`
}
type entryView struct {
Name string `json:"name"`
Path string `json:"path"`
Kind string `json:"kind"`
Mode string `json:"mode"`
Size int64 `json:"size"`
SHA string `json:"sha"`
}
type labelView struct {
ID int64 `json:"id"`
Name string `json:"name"`
Colour string `json:"colour"`
}
func visibilityName(r Repo) string {
switch {
case r.Private:
return "private"
case r.Unlisted:
return "unlisted"
}
return "public"
}
func (s *Server) repoView(r Repo) repoView {
v := repoView{Path: r.Path(), Owner: handle(r.Owner.Name), Name: r.Name, Description: r.Description, Visibility: visibilityName(r),
Tags: nonNil(r.Tags), Archived: r.Archived, Stars: r.Stars, Forks: r.Forks, Branch: Git{Dir: s.repoDir(r)}.Head(),
Created: iso(r.Created), Pushed: iso(repoUpdated(s.repoDir(r))),
Clone: cloneSet{HTTPS: "https://" + s.host + "/" + r.Path(), SSH: s.sshUser + "@" + s.sshHost + ":" + r.Path()},
URL: "https://" + s.host + "/" + r.Path(), API: "https://" + s.host + "/api/" + r.Path()}
if r.Parent != 0 {
if p, err := s.store.RepoByID(r.Parent); err == nil && !p.Private {
path := p.Path()
v.ForkOf = &path
}
}
if m, ok := s.store.PullMirror(r.ID); ok {
src := m.Source()
v.Mirror = &src
}
return v
}
func (s *Server) commitView(c Commit) commitView {
v := commitView{SHA: c.Hash, Subject: c.Subject, Body: c.Body, Author: personView{Name: c.Author, Email: c.Email}, At: iso(c.Time), Parents: nonNil(c.Parents)}
if a := s.account(c); a != "" {
h := handle(a)
v.Author.Account = &h
}
if signer := s.signer(c); signer != "" {
h := handle(signer)
v.Seal = &h
}
return v
}
func fileViews(files []File, patch bool) []fileView {
return mapped(files, func(f File) fileView {
v := fileView{Path: f.New, Status: f.Status, Binary: f.Binary, Added: f.Added, Removed: f.Removed}
if f.Old != f.New {
v.From = f.Old
}
if patch {
for _, h := range f.Hunks {
hv := hunkView{Header: h.Header, Lines: []string{}}
for _, l := range h.Lines {
mark := " "
switch l.Kind {
case "add":
mark = "+"
case "del":
mark = "-"
case "ctx":
default:
mark = "\\"
}
hv.Lines = append(hv.Lines, mark+l.Text)
}
v.Hunks = append(v.Hunks, hv)
}
}
return v
})
}
func entryKind(e Entry) string {
switch {
case e.Type == "tree":
return "dir"
case e.Type == "commit":
return "submodule"
case strings.HasPrefix(e.Mode, "120"):
return "link"
}
return "file"
}
func (s *Server) repoRoutes() []apiRoute {
return []apiRoute{
{"GET", "/repos", needNone, "public repositories, newest first, ?q= and ?tag= narrow the list", s.apiRepos, nil},
{"POST", "/repos", needWrite, "create a repository from {name, owner, description, visibility, tags}", s.apiCreateRepo, nil},
{"GET", "/~:owner/:repo", needNone, "a repository", s.apiRepo, nil},
{"PATCH", "/~:owner/:repo", needWrite, "change description, visibility, tags, pinned or archived, rename with name and transfer with owner", s.apiPatchRepo, nil},
{"DELETE", "/~:owner/:repo", needWrite, "delete the repository, ?confirm= must repeat its name", s.apiDeleteRepo, nil},
{"GET", "/~:owner/:repo/forks", needNone, "forks you can see", s.apiForks, nil},
{"POST", "/~:owner/:repo/forks", needWrite, "fork into your account", s.apiFork, nil},
{"PUT", "/~:owner/:repo/star", needWrite, "star", s.apiStar, nil},
{"DELETE", "/~:owner/:repo/star", needWrite, "unstar", s.apiStar, nil},
{"GET", "/~:owner/:repo/collaborators", needUser, "collaborators, visible to anyone who can push", s.apiCollaborators, nil},
{"PUT", "/~:owner/:repo/collaborators/~:name", needWrite, "grant push access", s.apiCollaborator, nil},
{"DELETE", "/~:owner/:repo/collaborators/~:name", needWrite, "revoke push access", s.apiCollaborator, nil},
{"GET", "/~:owner/:repo/labels", needNone, "labels", s.apiLabels, nil},
{"POST", "/~:owner/:repo/labels", needWrite, "add a label from {name, colour}", s.apiAddLabel, nil},
{"DELETE", "/~:owner/:repo/labels/:id", needWrite, "delete a label", s.apiDeleteLabel, nil},
{"GET", "/~:owner/:repo/protections", needNone, "protected branches", s.apiProtections, nil},
{"PUT", "/~:owner/:repo/protections/*branch", needWrite, "protect a branch with {require_pull, approvals}", s.apiProtect, nil},
{"DELETE", "/~:owner/:repo/protections/*branch", needWrite, "lift a branch protection", s.apiUnprotect, nil},
{"GET", "/~:owner/:repo/refs", needNone, "branches and tags, ?kind=branch|tag", s.apiRefs, nil},
{"GET", "/~:owner/:repo/log/*ref", needNone, "history from a ref or the default branch, ?path= follows one file", s.apiLog, nil},
{"GET", "/~:owner/:repo/commit/:sha", needNone, "a commit and the files it touched, ?patch=1 adds the hunks", s.apiCommit, nil},
{"GET", "/~:owner/:repo/compare/*spec", needNone, "commits and files between base...head, ?patch=1 adds the hunks", s.apiCompare, nil},
{"GET", "/~:owner/:repo/tree/*spec", needNone, "a directory listing or a file at ref/path, files carry their content up to 1 MiB", s.apiTree, nil},
{"PUT", "/~:owner/:repo/tree/*spec", needWrite, "commit a file to branch/path from {content, encoding, message, parent}", s.apiPutFile, nil},
{"DELETE", "/~:owner/:repo/tree/*spec", needWrite, "commit the removal of branch/path, ?message= and ?parent= are optional", s.apiDeleteFile, nil},
{"GET", "/~:owner/:repo/raw/*spec", needNone, "the bytes of a file at ref/path", s.apiRaw, nil},
{"GET", "/~:owner/:repo/blame/*spec", needNone, "the last commit to touch each line of a file", s.apiBlame, nil},
{"GET", "/~:owner/:repo/readme", needNone, "the README of a ref, raw and rendered, ?ref= picks the ref", s.apiReadme, nil},
{"GET", "/~:owner/:repo/languages", needNone, "languages by bytes on the default branch", s.apiLanguages, nil},
{"GET", "/~:owner/:repo/grep", needNone, "fixed string search through a ref, ?q= and ?ref=", s.apiGrep, nil},
{"GET", "/~:owner/:repo/archive/*spec", needNone, "a tar.gz or zip of a ref, as ref.tar.gz or ref.zip", s.apiArchive, nil},
}
}
func (s *Server) apiRepos(c *call) {
repos, err := s.store.PublicRepos(strings.TrimSpace(c.query("q")), strings.ToLower(c.query("tag")))
if err != nil {
c.err(err)
return
}
repos = slices.DeleteFunc(repos, func(r Repo) bool { return r.Unlisted })
paged(c, s.repoViews(repos))
}
func (s *Server) apiCreateRepo(c *call) {
var in struct {
Name string `json:"name"`
Owner string `json:"owner"`
Description string `json:"description"`
Visibility string `json:"visibility"`
Tags []string `json:"tags"`
}
if !c.decode(&in) {
return
}
if in.Visibility != "" && in.Visibility != "public" && in.Visibility != "unlisted" && in.Visibility != "private" {
c.fail(400, "Visibility must be public, unlisted or private")
return
}
repo, err := s.createRepo(*c.user, strings.TrimPrefix(in.Owner, "~"), in.Name, in.Description, visibility(in.Visibility), strings.Join(in.Tags, ","))
if err != nil {
c.err(err)
return
}
c.w.Header().Set("Location", "https://"+s.host+"/api/"+repo.Path())
c.reply(201, s.repoView(repo))
}
func (s *Server) apiRepo(c *call) {
if repo, ok := c.repo(); ok {
c.reply(200, s.repoView(repo))
}
}
func (s *Server) apiPatchRepo(c *call) {
repo, ok := c.repo()
if !ok {
return
}
if err := s.ownRepo(c.user, repo); err != nil {
c.err(err)
return
}
var in struct {
Description *string `json:"description"`
Visibility *string `json:"visibility"`
Tags *[]string `json:"tags"`
Pinned *bool `json:"pinned"`
Archived *bool `json:"archived"`
Name *string `json:"name"`
Owner *string `json:"owner"`
}
if !c.decode(&in) {
return
}
if in.Description != nil || in.Visibility != nil || in.Tags != nil {
desc, vis, tags := repo.Description, visibility(visibilityName(repo)), strings.Join(repo.Tags, ",")
if in.Description != nil {
desc = strings.TrimSpace(*in.Description)
}
if in.Visibility != nil {
if *in.Visibility != "public" && *in.Visibility != "unlisted" && *in.Visibility != "private" {
c.fail(400, "Visibility must be public, unlisted or private")
return
}
vis = visibility(*in.Visibility)
}
if in.Tags != nil {
tags = strings.Join(*in.Tags, ",")
}
if err := s.store.UpdateRepo(repo.ID, desc, vis, tags); err != nil {
c.err(err)
return
}
}
if in.Pinned != nil && *in.Pinned != (s.store.Pins(repo.Owner.ID)[repo.ID] > 0) {
if err := s.store.Pin(repo.Owner.ID, repo.ID, *in.Pinned); err != nil {
c.err(err)
return
}
}
if in.Archived != nil {
s.store.SetArchived(repo.ID, *in.Archived)
}
var err error
if in.Name != nil {
if repo, err = s.renameRepoTo(*c.user, repo, strings.TrimSpace(*in.Name)); err != nil {
c.err(err)
return
}
}
if in.Owner != nil {
if repo, err = s.transferRepoTo(*c.user, repo, *in.Owner); err != nil {
c.err(err)
return
}
}
fresh, err := s.store.RepoByID(repo.ID)
if err != nil {
c.err(err)
return
}
c.reply(200, s.repoView(fresh))
}
func (s *Server) apiDeleteRepo(c *call) {
repo, ok := c.repo()
if !ok {
return
}
if c.query("confirm") != repo.Name {
c.fail(400, "Repeat the repository name as ?confirm="+repo.Name+" to delete it")
return
}
if err := s.removeRepo(*c.user, repo); err != nil {
c.err(err)
return
}
c.done()
}
func (s *Server) apiForks(c *call) {
repo, ok := c.repo()
if !ok {
return
}
var viewer int64
if c.user != nil {
viewer = c.user.ID
}
forks, err := s.store.Forks(repo.ID, viewer)
if err != nil {
c.err(err)
return
}
paged(c, s.repoViews(forks))
}
func (s *Server) apiFork(c *call) {
repo, ok := c.repo()
if !ok {
return
}
fork, err := s.forkRepo(*c.user, repo)
if err != nil {
c.err(err)
return
}
c.reply(201, s.repoView(fork))
}
func (s *Server) apiStar(c *call) {
repo, ok := c.repo()
if !ok {
return
}
if err := s.starRepo(*c.user, repo, c.r.Method == "PUT"); err != nil {
c.err(err)
return
}
c.done()
}
func (s *Server) apiCollaborators(c *call) {
repo, ok := c.repo()
if !ok {
return
}
if !s.store.CanWrite(repo, c.user) {
c.fail(403, "Only people who can push see the collaborators")
return
}
users, err := s.store.Collaborators(repo.ID)
if err != nil {
c.err(err)
return
}
paged(c, mapped(users, s.brief))
}
func (s *Server) apiCollaborator(c *call) {
repo, ok := c.repo()
if !ok {
return
}
if err := s.ownRepo(c.user, repo); err != nil {
c.err(err)
return
}
target, err := s.store.UserByName(c.arg("name"))
if err != nil {
c.fail(404, "No such account")
return
}
if c.r.Method == "DELETE" {
s.store.RemoveCollaborator(repo.ID, target.ID)
c.done()
return
}
if target.ID == repo.Owner.ID {
c.fail(409, "The owner already has access")
return
}
if err := s.store.AddCollaborator(repo.ID, target.Name); err != nil {
c.err(err)
return
}
c.done()
}
func labelViews(labels []Label) []labelView {
return mapped(labels, func(l Label) labelView { return labelView{l.ID, l.Name, l.Colour} })
}
func (s *Server) apiLabels(c *call) {
repo, ok := c.repo()
if !ok {
return
}
labels, err := s.store.Labels(repo.ID)
if err != nil {
c.err(err)
return
}
paged(c, labelViews(labels))
}
func (s *Server) apiAddLabel(c *call) {
repo, ok := c.repo()
if !ok {
return
}
if err := s.ownRepo(c.user, repo); err != nil {
c.err(err)
return
}
var in struct {
Name string `json:"name"`
Colour string `json:"colour"`
}
if !c.decode(&in) {
return
}
if err := s.store.AddLabel(repo.ID, in.Name, in.Colour); err != nil {
c.err(err)
return
}
labels, _ := s.store.Labels(repo.ID)
for _, l := range labels {
if l.Name == strings.TrimSpace(in.Name) {
c.reply(201, labelView{l.ID, l.Name, l.Colour})
return
}
}
c.reply(201, labelViews(labels))
}
func (s *Server) apiDeleteLabel(c *call) {
repo, ok := c.repo()
if !ok {
return
}
if err := s.ownRepo(c.user, repo); err != nil {
c.err(err)
return
}
id, ok := c.id("id")
if !ok {
return
}
s.store.DeleteLabel(repo.ID, id)
c.done()
}
func (s *Server) apiProtections(c *call) {
repo, ok := c.repo()
if !ok {
return
}
type row struct {
Branch string `json:"branch"`
RequirePull bool `json:"require_pull"`
Approvals int `json:"approvals"`
}
paged(c, mapped(s.store.Protections(repo.ID), func(p Protection) row { return row{p.Branch, p.RequirePR, p.Approvals} }))
}
func (s *Server) apiProtect(c *call) {
repo, ok := c.repo()
if !ok {
return
}
if err := s.ownRepo(c.user, repo); err != nil {
c.err(err)
return
}
var in struct {
RequirePull bool `json:"require_pull"`
Approvals int `json:"approvals"`
}
if !c.decode(&in) {
return
}
if err := s.store.SetProtection(repo.ID, c.arg("branch"), in.RequirePull, in.Approvals); err != nil {
c.err(err)
return
}
c.done()
}
func (s *Server) apiUnprotect(c *call) {
repo, ok := c.repo()
if !ok {
return
}
if err := s.ownRepo(c.user, repo); err != nil {
c.err(err)
return
}
s.store.DeleteProtection(repo.ID, c.arg("branch"))
c.done()
}
func (s *Server) apiRefs(c *call) {
repo, ok := c.repo()
if !ok {
return
}
g := Git{Dir: s.repoDir(repo)}
prefixes := []string{"refs/heads", "refs/tags"}
switch c.query("kind") {
case "branch":
prefixes = prefixes[:1]
case "tag":
prefixes = prefixes[1:]
}
refs, err := g.Refs(prefixes...)
if err != nil {
c.err(err)
return
}
head := g.Head()
paged(c, mapped(refs, func(r Ref) refView {
kind := "branch"
if r.Tag {
kind = "tag"
}
return refView{Name: r.Name, Kind: kind, SHA: r.Hash, At: iso(r.Time), Default: !r.Tag && r.Name == head}
}))
}
func (c *call) commitAt(g Git, ref string) (string, bool) {
if ref == "" {
ref = g.Head()
}
sha, err := g.Resolve(ref)
if err != nil {
if g.Empty() {
c.fail(404, "The repository is empty")
} else {
c.fail(404, "No such ref")
}
return "", false
}
return sha, true
}
func (c *call) refPath(g Git) (string, string, bool) {
spec := c.arg("spec")
if spec == "" {
c.fail(404, "Name a ref, then a path")
return "", "", false
}
ref, filePath, ok := c.s.splitRef(g, spec)
if !ok {
c.fail(404, "No such ref")
return "", "", false
}
filePath, ok = cleanPath(filePath)
if !ok {
c.fail(404, "No such path")
return "", "", false
}
return ref, filePath, true
}
func (s *Server) apiLog(c *call) {
repo, ok := c.repo()
if !ok {
return
}
g := Git{Dir: s.repoDir(repo)}
sha, ok := c.commitAt(g, strings.Trim(c.arg("ref"), "/"))
if !ok {
return
}
filePath, ok := cleanPath(c.query("path"))
if !ok {
c.fail(404, "No such path")
return
}
limit, err := strconv.Atoi(c.query("limit"))
if err != nil || limit <= 0 {
limit = 30
}
limit = min(limit, 100)
from, _ := strconv.Atoi(c.query("from"))
from = max(from, 0)
commits, err := g.Log(sha, limit+1, filePath, "--skip="+strconv.Itoa(from))
if err != nil {
c.err(err)
return
}
out := struct {
Items []commitView `json:"items"`
Next *string `json:"next"`
}{Items: mapped(commits[:min(limit, len(commits))], s.commitView)}
if len(commits) > limit {
q := c.r.URL.Query()
q.Set("from", strconv.Itoa(from+limit))
q.Set("limit", strconv.Itoa(limit))
next := "https://" + s.host + c.r.URL.Path + "?" + q.Encode()
out.Next = &next
c.w.Header().Set("Link", "<"+next+`>; rel="next"`)
}
c.reply(200, out)
}
func (s *Server) apiCommit(c *call) {
repo, ok := c.repo()
if !ok {
return
}
g := Git{Dir: s.repoDir(repo)}
sha, ok := c.commitAt(g, c.arg("sha"))
if !ok {
return
}
commit, err := g.Commit(sha)
if err != nil {
c.fail(404, "No such commit")
return
}
files, err := g.Diff(sha)
if err != nil {
c.err(err)
return
}
v := s.commitView(commit)
v.Files = nonNil(fileViews(files, c.query("patch") == "1"))
c.reply(200, v)
}
func (s *Server) apiCompare(c *call) {
repo, ok := c.repo()
if !ok {
return
}
g := Git{Dir: s.repoDir(repo)}
base, head, found := strings.Cut(c.arg("spec"), "...")
if !found {
c.fail(400, "Compare takes base...head")
return
}
from, ok := c.commitAt(g, base)
if !ok {
return
}
to, ok := c.commitAt(g, head)
if !ok {
return
}
mb, err := g.MergeBase(from, to)
if err != nil {
c.fail(409, "The two refs share no history")
return
}
commits, _ := g.LogRange(mb, to, 250)
files, _ := g.DiffRange(mb, to)
c.reply(200, map[string]any{"base": from, "head": to, "merge_base": mb, "commits": mapped(commits, s.commitView), "files": fileViews(files, c.query("patch") == "1")})
}
func (s *Server) apiTree(c *call) {
repo, ok := c.repo()
if !ok {
return
}
g := Git{Dir: s.repoDir(repo)}
ref, filePath, ok := c.refPath(g)
if !ok {
return
}
sha, ok := c.commitAt(g, ref)
if !ok {
return
}
switch g.Kind(sha, filePath) {
case "tree", "":
if filePath != "" && g.Kind(sha, filePath) == "" {
c.fail(404, "No such path")
return
}
entries, err := g.Tree(sha, filePath)
if err != nil {
c.fail(404, "No such path")
return
}
c.reply(200, map[string]any{"ref": ref, "commit": sha, "path": filePath, "kind": "dir", "entries": mapped(entries, func(e Entry) entryView {
return entryView{Name: e.Name, Path: path.Join(filePath, e.Name), Kind: entryKind(e), Mode: e.Mode, Size: e.Size, SHA: e.Hash}
})})
default:
e := g.Entry(sha, filePath)
if e == nil {
c.fail(404, "No such path")
return
}
out := map[string]any{"ref": ref, "commit": sha, "path": filePath, "kind": entryKind(*e), "mode": e.Mode, "size": e.Size, "sha": e.Hash,
"raw": "https://" + s.host + "/api/" + repo.Path() + "/raw/" + ref + "/" + escapePath(filePath)}
if e.Size <= 1<<20 && entryKind(*e) != "submodule" {
data, err := g.Blob(sha, filePath)
if err == nil {
if utf8.Valid(data) && !isBinary(data) {
out["encoding"], out["content"] = "utf-8", string(data)
} else {
out["encoding"], out["content"] = "base64", base64.StdEncoding.EncodeToString(data)
}
}
}
c.reply(200, out)
}
}
func (s *Server) apiPutFile(c *call) {
repo, ok := c.repo()
if !ok {
return
}
g := Git{Dir: s.repoDir(repo)}
branch, filePath, ok := c.refPath(g)
if !ok {
return
}
if filePath == "" {
c.fail(400, "Name a file after the branch")
return
}
var in struct {
Content string `json:"content"`
Encoding string `json:"encoding"`
Message string `json:"message"`
Parent string `json:"parent"`
}
if !c.decode(&in) {
return
}
data := []byte(in.Content)
switch in.Encoding {
case "", "utf-8":
case "base64":
var err error
if data, err = base64.StdEncoding.DecodeString(in.Content); err != nil {
c.fail(400, "Content is not valid base64")
return
}
default:
c.fail(400, "Encoding must be utf-8 or base64")
return
}
sha, err := s.writeFile(*c.user, repo, branch, filePath, data, false, in.Message, in.Parent)
if err != nil {
c.err(err)
return
}
commit, _ := g.Commit(sha)
c.reply(201, s.commitView(commit))
}
func (s *Server) apiDeleteFile(c *call) {
repo, ok := c.repo()
if !ok {
return
}
g := Git{Dir: s.repoDir(repo)}
branch, filePath, ok := c.refPath(g)
if !ok {
return
}
sha, err := s.writeFile(*c.user, repo, branch, filePath, nil, true, c.query("message"), c.query("parent"))
if err != nil {
c.err(err)
return
}
commit, _ := g.Commit(sha)
c.reply(200, s.commitView(commit))
}
func (s *Server) apiRaw(c *call) {
repo, ok := c.repo()
if !ok {
return
}
g := Git{Dir: s.repoDir(repo)}
ref, filePath, ok := c.refPath(g)
if !ok {
return
}
sha, ok := c.commitAt(g, ref)
if !ok {
return
}
if g.Kind(sha, filePath) != "blob" {
c.fail(404, "No such file")
return
}
h := c.w.Header()
h.Set("Content-Type", "application/octet-stream")
h.Set("Content-Disposition", mime.FormatMediaType("attachment", map[string]string{"filename": path.Base(filePath)}))
h.Set("Content-Length", strconv.FormatInt(g.Size(sha, filePath), 10))
h.Set("Content-Security-Policy", "default-src 'none'; sandbox")
g.Stream(c.w, sha, filePath)
}
func (s *Server) apiBlame(c *call) {
repo, ok := c.repo()
if !ok {
return
}
g := Git{Dir: s.repoDir(repo)}
ref, filePath, ok := c.refPath(g)
if !ok {
return
}
sha, ok := c.commitAt(g, ref)
if !ok {
return
}
if g.Kind(sha, filePath) != "blob" {
c.fail(404, "No such file")
return
}
if g.Size(sha, filePath) > maxRender {
c.fail(413, "File too large to blame")
return
}
lines, err := g.Blame(sha, filePath)
if err != nil {
c.err(err)
return
}
type row struct {
Line int `json:"line"`
SHA string `json:"sha"`
Author string `json:"author"`
At *string `json:"at"`
Subject string `json:"subject"`
Text string `json:"text"`
}
c.reply(200, map[string]any{"commit": sha, "path": filePath, "lines": mapped(lines, func(l BlameLine) row {
return row{l.Line, l.Hash, l.Author, iso(l.Time), l.Subject, l.Text}
})})
}
func (s *Server) apiReadme(c *call) {
repo, ok := c.repo()
if !ok {
return
}
g := Git{Dir: s.repoDir(repo)}
sha, ok := c.commitAt(g, c.query("ref"))
if !ok {
return
}
name, data := g.Readme(sha)
if name == "" {
c.fail(404, "No README at this ref")
return
}
c.reply(200, map[string]string{"path": name, "commit": sha, "text": string(data), "html": string(s.renderMarkdown(data))})
}
func (s *Server) apiLanguages(c *call) {
repo, ok := c.repo()
if !ok {
return
}
type row struct {
Name string `json:"name"`
Colour string `json:"colour"`
Bytes int64 `json:"bytes"`
Percent float64 `json:"percent"`
}
c.reply(200, mapped(s.repoLanguages(repo), func(l language) row { return row{l.Name, l.Colour, l.Bytes, l.Percent} }))
}
func (s *Server) apiGrep(c *call) {
repo, ok := c.repo()
if !ok {
return
}
q := strings.TrimSpace(c.query("q"))
if q == "" {
c.fail(400, "Pass ?q=")
return
}
g := Git{Dir: s.repoDir(repo)}
sha, ok := c.commitAt(g, c.query("ref"))
if !ok {
return
}
matches, more, err := g.Grep(sha, q, 500)
if err != nil {
c.err(err)
return
}
type row struct {
Path string `json:"path"`
Line int `json:"line"`
Text string `json:"text"`
}
c.reply(200, map[string]any{"commit": sha, "truncated": more, "matches": mapped(matches, func(m Match) row { return row{m.Path, m.Line, m.Text} })})
}
func (s *Server) apiArchive(c *call) {
repo, ok := c.repo()
if !ok {
return
}
spec, format := c.arg("spec"), ""
switch {
case strings.HasSuffix(spec, ".tar.gz"):
format, spec = "tar.gz", strings.TrimSuffix(spec, ".tar.gz")
case strings.HasSuffix(spec, ".zip"):
format, spec = "zip", strings.TrimSuffix(spec, ".zip")
default:
c.fail(404, "Ask for ref.tar.gz or ref.zip")
return
}
g := Git{Dir: s.repoDir(repo)}
sha, ok := c.commitAt(g, spec)
if !ok {
return
}
name := repo.Name + "-" + short(sha)
ctx, cancel := context.WithTimeout(c.r.Context(), 10*time.Minute)
defer cancel()
c.w.Header().Set("Content-Type", "application/octet-stream")
c.w.Header().Set("Content-Disposition", mime.FormatMediaType("attachment", map[string]string{"filename": name + "." + format}))
writeArchive(ctx, c.w, g.Dir, format, name, sha)
}
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