forked from forgejo/forgejo
Vendor Update (#16121)
* update github.com/PuerkitoBio/goquery * update github.com/alecthomas/chroma * update github.com/blevesearch/bleve/v2 * update github.com/caddyserver/certmagic * update github.com/go-enry/go-enry/v2 * update github.com/go-git/go-billy/v5 * update github.com/go-git/go-git/v5 * update github.com/go-redis/redis/v8 * update github.com/go-testfixtures/testfixtures/v3 * update github.com/jaytaylor/html2text * update github.com/json-iterator/go * update github.com/klauspost/compress * update github.com/markbates/goth * update github.com/mattn/go-isatty * update github.com/mholt/archiver/v3 * update github.com/microcosm-cc/bluemonday * update github.com/minio/minio-go/v7 * update github.com/prometheus/client_golang * update github.com/unrolled/render * update github.com/xanzy/go-gitlab * update github.com/yuin/goldmark * update github.com/yuin/goldmark-highlighting Co-authored-by: techknowlogick <techknowlogick@gitea.io>
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819 changed files with 38072 additions and 34969 deletions
162
vendor/github.com/ProtonMail/go-crypto/openpgp/packet/opaque.go
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162
vendor/github.com/ProtonMail/go-crypto/openpgp/packet/opaque.go
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// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package packet
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import (
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"bytes"
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"io"
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"io/ioutil"
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"github.com/ProtonMail/go-crypto/openpgp/errors"
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)
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// OpaquePacket represents an OpenPGP packet as raw, unparsed data. This is
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// useful for splitting and storing the original packet contents separately,
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// handling unsupported packet types or accessing parts of the packet not yet
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// implemented by this package.
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type OpaquePacket struct {
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// Packet type
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Tag uint8
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// Reason why the packet was parsed opaquely
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Reason error
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// Binary contents of the packet data
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Contents []byte
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}
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func (op *OpaquePacket) parse(r io.Reader) (err error) {
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op.Contents, err = ioutil.ReadAll(r)
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return
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}
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// Serialize marshals the packet to a writer in its original form, including
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// the packet header.
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func (op *OpaquePacket) Serialize(w io.Writer) (err error) {
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err = serializeHeader(w, packetType(op.Tag), len(op.Contents))
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if err == nil {
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_, err = w.Write(op.Contents)
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}
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return
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}
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// Parse attempts to parse the opaque contents into a structure supported by
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// this package. If the packet is not known then the result will be another
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// OpaquePacket.
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func (op *OpaquePacket) Parse() (p Packet, err error) {
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hdr := bytes.NewBuffer(nil)
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err = serializeHeader(hdr, packetType(op.Tag), len(op.Contents))
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if err != nil {
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op.Reason = err
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return op, err
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}
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p, err = Read(io.MultiReader(hdr, bytes.NewBuffer(op.Contents)))
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if err != nil {
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op.Reason = err
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p = op
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}
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return
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}
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// OpaqueReader reads OpaquePackets from an io.Reader.
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type OpaqueReader struct {
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r io.Reader
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}
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func NewOpaqueReader(r io.Reader) *OpaqueReader {
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return &OpaqueReader{r: r}
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}
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// Read the next OpaquePacket.
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func (or *OpaqueReader) Next() (op *OpaquePacket, err error) {
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tag, _, contents, err := readHeader(or.r)
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if err != nil {
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return
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}
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op = &OpaquePacket{Tag: uint8(tag), Reason: err}
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err = op.parse(contents)
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if err != nil {
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consumeAll(contents)
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}
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return
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}
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// OpaqueSubpacket represents an unparsed OpenPGP subpacket,
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// as found in signature and user attribute packets.
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type OpaqueSubpacket struct {
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SubType uint8
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Contents []byte
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}
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// OpaqueSubpackets extracts opaque, unparsed OpenPGP subpackets from
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// their byte representation.
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func OpaqueSubpackets(contents []byte) (result []*OpaqueSubpacket, err error) {
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var (
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subHeaderLen int
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subPacket *OpaqueSubpacket
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)
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for len(contents) > 0 {
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subHeaderLen, subPacket, err = nextSubpacket(contents)
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if err != nil {
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break
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}
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result = append(result, subPacket)
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contents = contents[subHeaderLen+len(subPacket.Contents):]
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}
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return
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}
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func nextSubpacket(contents []byte) (subHeaderLen int, subPacket *OpaqueSubpacket, err error) {
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// RFC 4880, section 5.2.3.1
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var subLen uint32
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if len(contents) < 1 {
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goto Truncated
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}
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subPacket = &OpaqueSubpacket{}
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switch {
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case contents[0] < 192:
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subHeaderLen = 2 // 1 length byte, 1 subtype byte
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if len(contents) < subHeaderLen {
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goto Truncated
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}
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subLen = uint32(contents[0])
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contents = contents[1:]
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case contents[0] < 255:
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subHeaderLen = 3 // 2 length bytes, 1 subtype
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if len(contents) < subHeaderLen {
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goto Truncated
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}
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subLen = uint32(contents[0]-192)<<8 + uint32(contents[1]) + 192
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contents = contents[2:]
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default:
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subHeaderLen = 6 // 5 length bytes, 1 subtype
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if len(contents) < subHeaderLen {
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goto Truncated
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}
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subLen = uint32(contents[1])<<24 |
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uint32(contents[2])<<16 |
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uint32(contents[3])<<8 |
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uint32(contents[4])
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contents = contents[5:]
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}
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if subLen > uint32(len(contents)) || subLen == 0 {
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goto Truncated
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}
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subPacket.SubType = contents[0]
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subPacket.Contents = contents[1:subLen]
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return
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Truncated:
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err = errors.StructuralError("subpacket truncated")
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return
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}
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func (osp *OpaqueSubpacket) Serialize(w io.Writer) (err error) {
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buf := make([]byte, 6)
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n := serializeSubpacketLength(buf, len(osp.Contents)+1)
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buf[n] = osp.SubType
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if _, err = w.Write(buf[:n+1]); err != nil {
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return
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}
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_, err = w.Write(osp.Contents)
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return
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}
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