fork from https://gitea.com/3rd/caddy-gitea 改了点东西，希望能用我不想再改了qwq
This commit is contained in:
@@ -0,0 +1,181 @@
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// Taken from caddy source code (https://github.com/mholt/caddy/)
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// Copyright 2015 Matthew Holt and The Caddy Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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//nolint:all
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package gitea
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"strings"
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"unicode"
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"github.com/BurntSushi/toml"
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"github.com/alecthomas/chroma/formatters/html"
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"github.com/yuin/goldmark"
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highlighting "github.com/yuin/goldmark-highlighting"
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"github.com/yuin/goldmark/extension"
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"github.com/yuin/goldmark/parser"
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gmhtml "github.com/yuin/goldmark/renderer/html"
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"gopkg.in/yaml.v3"
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)
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func extractFrontMatter(input string) (map[string]any, string, error) {
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// get the bounds of the first non-empty line
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var firstLineStart, firstLineEnd int
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lineEmpty := true
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for i, b := range input {
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if b == '\n' {
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firstLineStart = firstLineEnd
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if firstLineStart > 0 {
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firstLineStart++ // skip newline character
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}
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firstLineEnd = i
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if !lineEmpty {
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break
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}
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continue
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}
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lineEmpty = lineEmpty && unicode.IsSpace(b)
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}
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firstLine := input[firstLineStart:firstLineEnd]
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// ensure residue windows carriage return byte is removed
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firstLine = strings.TrimSpace(firstLine)
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// see what kind of front matter there is, if any
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var closingFence []string
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var fmParser func([]byte) (map[string]any, error)
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for _, fmType := range supportedFrontMatterTypes {
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if firstLine == fmType.FenceOpen {
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closingFence = fmType.FenceClose
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fmParser = fmType.ParseFunc
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}
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}
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if fmParser == nil {
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// no recognized front matter; whole document is body
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return nil, input, nil
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}
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// find end of front matter
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var fmEndFence string
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fmEndFenceStart := -1
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for _, fence := range closingFence {
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index := strings.Index(input[firstLineEnd:], "\n"+fence)
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if index >= 0 {
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fmEndFenceStart = index
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fmEndFence = fence
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break
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}
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}
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if fmEndFenceStart < 0 {
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return nil, "", fmt.Errorf("unterminated front matter")
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}
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fmEndFenceStart += firstLineEnd + 1 // add 1 to account for newline
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// extract and parse front matter
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frontMatter := input[firstLineEnd:fmEndFenceStart]
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fm, err := fmParser([]byte(frontMatter))
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if err != nil {
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return nil, "", err
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}
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// the rest is the body
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body := input[fmEndFenceStart+len(fmEndFence):]
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return fm, body, nil
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}
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func yamlFrontMatter(input []byte) (map[string]any, error) {
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m := make(map[string]any)
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err := yaml.Unmarshal(input, &m)
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return m, err
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}
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func tomlFrontMatter(input []byte) (map[string]any, error) {
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m := make(map[string]any)
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err := toml.Unmarshal(input, &m)
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return m, err
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}
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func jsonFrontMatter(input []byte) (map[string]any, error) {
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input = append([]byte{'{'}, input...)
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input = append(input, '}')
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m := make(map[string]any)
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err := json.Unmarshal(input, &m)
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return m, err
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}
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type parsedMarkdownDoc struct {
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Meta map[string]any `json:"meta,omitempty"`
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Body string `json:"body,omitempty"`
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}
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type frontMatterType struct {
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FenceOpen string
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FenceClose []string
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ParseFunc func(input []byte) (map[string]any, error)
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}
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var supportedFrontMatterTypes = []frontMatterType{
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{
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FenceOpen: "---",
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FenceClose: []string{"---", "..."},
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ParseFunc: yamlFrontMatter,
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},
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{
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FenceOpen: "+++",
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FenceClose: []string{"+++"},
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ParseFunc: tomlFrontMatter,
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},
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{
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FenceOpen: "{",
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FenceClose: []string{"}"},
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ParseFunc: jsonFrontMatter,
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},
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}
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func markdown(input []byte) ([]byte, error) {
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md := goldmark.New(
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goldmark.WithExtensions(
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extension.GFM,
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extension.Footnote,
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highlighting.NewHighlighting(
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highlighting.WithFormatOptions(
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html.WithClasses(true),
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),
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),
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),
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goldmark.WithParserOptions(
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parser.WithAutoHeadingID(),
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),
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goldmark.WithRendererOptions(
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gmhtml.WithUnsafe(), // TODO: this is not awesome, maybe should be configurable?
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),
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)
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buf := bufPool.Get().(*bytes.Buffer)
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buf.Reset()
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defer bufPool.Put(buf)
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if err := md.Convert(input, buf); err != nil {
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return input, err
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}
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return buf.Bytes(), nil
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}
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@@ -0,0 +1,93 @@
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package gitea
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import (
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"io"
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"io/fs"
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"time"
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)
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type fileInfo struct {
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size int64
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isdir bool
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name string
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}
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type openFile struct {
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content []byte
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offset int64
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name string
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isdir bool
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}
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func (g fileInfo) Name() string {
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return g.name
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}
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func (g fileInfo) Size() int64 {
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return g.size
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}
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func (g fileInfo) Mode() fs.FileMode {
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return 0o444
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}
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func (g fileInfo) ModTime() time.Time {
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return time.Time{}
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}
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func (g fileInfo) Sys() any {
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return nil
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}
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func (g fileInfo) IsDir() bool {
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return g.isdir
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}
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var _ io.Seeker = (*openFile)(nil)
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func (o *openFile) Close() error {
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return nil
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}
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func (o *openFile) Stat() (fs.FileInfo, error) {
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return fileInfo{
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size: int64(len(o.content)),
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isdir: o.isdir,
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name: o.name,
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}, nil
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}
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func (o *openFile) Read(b []byte) (int, error) {
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if o.offset >= int64(len(o.content)) {
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return 0, io.EOF
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}
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if o.offset < 0 {
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return 0, &fs.PathError{Op: "read", Path: o.name, Err: fs.ErrInvalid}
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}
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n := copy(b, o.content[o.offset:])
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o.offset += int64(n)
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return n, nil
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}
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func (o *openFile) Seek(offset int64, whence int) (int64, error) {
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switch whence {
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case 0:
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offset += 0
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case 1:
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offset += o.offset
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case 2:
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offset += int64(len(o.content))
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}
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if offset < 0 || offset > int64(len(o.content)) {
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return 0, &fs.PathError{Op: "seek", Path: o.name, Err: fs.ErrInvalid}
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}
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o.offset = offset
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return offset, nil
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}
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@@ -0,0 +1,272 @@
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package gitea
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import (
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"bytes"
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"fmt"
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"io"
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"io/fs"
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"net/http"
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"net/url"
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"strings"
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"sync"
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gclient "code.gitea.io/sdk/gitea"
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"github.com/spf13/viper"
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)
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type Client struct {
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serverURL string
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token string
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giteapages string
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giteapagesAllowAll string
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gc *gclient.Client
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}
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func NewClient(serverURL, token, giteapages, giteapagesAllowAll string) (*Client, error) {
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if giteapages == "" {
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giteapages = "gitea-pages"
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}
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if giteapagesAllowAll == "" {
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giteapagesAllowAll = "gitea-pages-allowall"
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}
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gc, err := gclient.NewClient(serverURL, gclient.SetToken(token), gclient.SetGiteaVersion(""))
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if err != nil {
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return nil, err
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}
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return &Client{
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serverURL: serverURL,
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token: token,
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gc: gc,
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giteapages: giteapages,
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giteapagesAllowAll: giteapagesAllowAll,
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}, nil
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}
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func (c *Client) Open(name, ref string) (fs.File, error) {
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owner, repo, filepath := splitName(name)
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// if repo is empty they want to have the gitea-pages repo
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if repo == "" {
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repo = c.giteapages
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filepath = "index.html"
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}
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// if filepath is empty they want to have the index.html
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if filepath == "" {
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filepath = "index.html"
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}
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// we need to check if the repo exists (and allows access)
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limited, allowall := c.allowsPages(owner, repo)
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if !limited && !allowall {
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// if we're checking the gitea-pages and it doesn't exist, return 404
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if repo == c.giteapages && !c.hasRepoBranch(owner, repo, c.giteapages) {
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return nil, fs.ErrNotExist
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}
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// the repo didn't exist but maybe it's a filepath in the gitea-pages repo
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// so we need to check if the gitea-pages repo exists
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filepath = repo
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repo = c.giteapages
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if ref == "" {
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ref = c.giteapages
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}
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limited, allowall = c.allowsPages(owner, repo)
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if !limited && !allowall || !c.hasRepoBranch(owner, repo, c.giteapages) {
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return nil, fs.ErrNotExist
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}
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}
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hasConfig := true
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if err := c.readConfig(owner, repo); err != nil {
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// we don't need a config for gitea-pages
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// no config is only exposing the gitea-pages branch
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if repo != c.giteapages && !allowall {
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return nil, err
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}
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hasConfig = false
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}
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// if we don't have a config and the repo is the gitea-pages
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// always overwrite the ref to the gitea-pages branch
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if !hasConfig && (repo == c.giteapages || ref == c.giteapages) {
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ref = c.giteapages
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} else if !validRefs(ref, allowall) {
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return nil, fs.ErrNotExist
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}
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res, err := c.getRawFileOrLFS(owner, repo, filepath, ref)
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if err != nil {
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return nil, err
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}
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if strings.HasSuffix(filepath, ".md") {
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res, err = handleMD(res)
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if err != nil {
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return nil, err
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}
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}
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return &openFile{
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content: res,
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name: filepath,
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}, nil
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}
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func (c *Client) getRawFileOrLFS(owner, repo, filepath, ref string) ([]byte, error) {
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var (
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giteaURL string
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err error
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)
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// TODO: make pr for go-sdk
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// gitea sdk doesn't support "media" type for lfs/non-lfs
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giteaURL, err = url.JoinPath(c.serverURL+"/api/v1/repos/", owner, repo, "media", filepath)
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if err != nil {
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return nil, err
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}
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giteaURL += "?ref=" + url.QueryEscape(ref)
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req, err := http.NewRequest(http.MethodGet, giteaURL, nil)
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if err != nil {
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return nil, err
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}
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req.Header.Add("Authorization", "token "+c.token)
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resp, err := http.DefaultClient.Do(req)
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if err != nil {
|
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return nil, err
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}
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|
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switch resp.StatusCode {
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case http.StatusNotFound:
|
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return nil, fs.ErrNotExist
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||||
case http.StatusOK:
|
||||
default:
|
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return nil, fmt.Errorf("unexpected status code '%d'", resp.StatusCode)
|
||||
}
|
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|
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res, err := io.ReadAll(resp.Body)
|
||||
if err != nil {
|
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return nil, err
|
||||
}
|
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|
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defer resp.Body.Close()
|
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|
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return res, nil
|
||||
}
|
||||
|
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var bufPool = sync.Pool{
|
||||
New: func() any {
|
||||
return new(bytes.Buffer)
|
||||
},
|
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}
|
||||
|
||||
func handleMD(res []byte) ([]byte, error) {
|
||||
meta, resbody, err := extractFrontMatter(string(res))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
resmd, err := markdown([]byte(resbody))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
title, _ := meta["title"].(string)
|
||||
|
||||
res = append([]byte("<!DOCTYPE html>\n<html>\n<body>\n<h1>"), []byte(title)...)
|
||||
res = append(res, []byte("</h1>")...)
|
||||
res = append(res, resmd...)
|
||||
res = append(res, []byte("</body></html>")...)
|
||||
|
||||
return res, nil
|
||||
}
|
||||
|
||||
func (c *Client) repoTopics(owner, repo string) ([]string, error) {
|
||||
repos, _, err := c.gc.ListRepoTopics(owner, repo, gclient.ListRepoTopicsOptions{})
|
||||
return repos, err
|
||||
}
|
||||
|
||||
func (c *Client) hasRepoBranch(owner, repo, branch string) bool {
|
||||
b, _, err := c.gc.GetRepoBranch(owner, repo, branch)
|
||||
if err != nil {
|
||||
return false
|
||||
}
|
||||
|
||||
return b.Name == branch
|
||||
}
|
||||
|
||||
func (c *Client) allowsPages(owner, repo string) (bool, bool) {
|
||||
topics, err := c.repoTopics(owner, repo)
|
||||
if err != nil {
|
||||
return false, false
|
||||
}
|
||||
|
||||
for _, topic := range topics {
|
||||
if topic == c.giteapagesAllowAll {
|
||||
return true, true
|
||||
}
|
||||
}
|
||||
|
||||
for _, topic := range topics {
|
||||
if topic == c.giteapages {
|
||||
return true, false
|
||||
}
|
||||
}
|
||||
|
||||
return false, false
|
||||
}
|
||||
|
||||
func (c *Client) readConfig(owner, repo string) error {
|
||||
cfg, err := c.getRawFileOrLFS(owner, repo, c.giteapages+".toml", c.giteapages)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
viper.SetConfigType("toml")
|
||||
|
||||
return viper.ReadConfig(bytes.NewBuffer(cfg))
|
||||
}
|
||||
|
||||
func splitName(name string) (string, string, string) {
|
||||
parts := strings.Split(name, "/")
|
||||
|
||||
// parts contains: ["owner", "repo", "filepath"]
|
||||
switch len(parts) {
|
||||
case 1:
|
||||
return parts[0], "", ""
|
||||
case 2:
|
||||
return parts[0], parts[1], ""
|
||||
default:
|
||||
return parts[0], parts[1], strings.Join(parts[2:], "/")
|
||||
}
|
||||
}
|
||||
|
||||
func validRefs(ref string, allowall bool) bool {
|
||||
if allowall {
|
||||
return true
|
||||
}
|
||||
|
||||
validrefs := viper.GetStringSlice("allowedrefs")
|
||||
for _, r := range validrefs {
|
||||
if r == ref {
|
||||
return true
|
||||
}
|
||||
|
||||
if r == "*" {
|
||||
return true
|
||||
}
|
||||
}
|
||||
|
||||
return false
|
||||
}
|
||||
Reference in New Issue
Block a user