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next step on the way to federation

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This commit is contained in:
Michael Jerger 2024-05-07 17:58:13 +02:00
parent 99d1ae52fc
commit 1a76664d56
11 changed files with 1044 additions and 3 deletions
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54
modules/activitypub/client.go
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@ -1,6 +1,8 @@
// Copyright 2022 The Gitea Authors. All rights reserved.
// Copyright 2024 The Forgejo Authors. All rights reserved.
// SPDX-License-Identifier: MIT
// TODO: Think about whether this should be moved to services/activitypub (compare to exosy/services/activitypub/client.go)
package activitypub
import (
@ -10,11 +12,13 @@ import (
"crypto/x509"
"encoding/pem"
"fmt"
"io"
"net/http"
"strings"
"time"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/proxy"
"code.gitea.io/gitea/modules/setting"
@ -84,6 +88,7 @@ func NewClient(ctx context.Context, user *user_model.User, pubID string) (c *Cli
Transport: &http.Transport{
Proxy: proxy.Proxy(),
},
Timeout: 5 * time.Second,
},
algs: setting.HttpsigAlgs,
digestAlg: httpsig.DigestAlgorithm(setting.Federation.DigestAlgorithm),
@ -96,9 +101,9 @@ func NewClient(ctx context.Context, user *user_model.User, pubID string) (c *Cli
}
// NewRequest function
func (c *Client) NewRequest(b []byte, to string) (req *http.Request, err error) {
func (c *Client) NewRequest(method string, b []byte, to string) (req *http.Request, err error) {
buf := bytes.NewBuffer(b)
req, err = http.NewRequest(http.MethodPost, to, buf)
req, err = http.NewRequest(method, to, buf)
if err != nil {
return nil, err
}
@ -116,9 +121,52 @@ func (c *Client) NewRequest(b []byte, to string) (req *http.Request, err error)
// Post function
func (c *Client) Post(b []byte, to string) (resp *http.Response, err error) {
var req *http.Request
if req, err = c.NewRequest(b, to); err != nil {
if req, err = c.NewRequest(http.MethodPost, b, to); err != nil {
return nil, err
}
resp, err = c.client.Do(req)
return resp, err
}
// Create an http GET request with forgejo/gitea specific headers
func (c *Client) Get(to string) (resp *http.Response, err error) { // ToDo: we might not need the b parameter
var req *http.Request
emptyBody := []byte{0}
if req, err = c.NewRequest(http.MethodGet, emptyBody, to); err != nil {
return nil, err
}
resp, err = c.client.Do(req)
return resp, err
}
// Create an http GET request with forgejo/gitea specific headers
func (c *Client) GetBody(uri string) ([]byte, error) {
response, err := c.Get(uri)
if err != nil {
return nil, err
}
log.Debug("Client: got status: %v", response.Status)
if response.StatusCode != 200 {
err = fmt.Errorf("got non 200 status code for id: %v", uri)
return nil, err
}
defer response.Body.Close()
body, err := io.ReadAll(response.Body)
if err != nil {
return nil, err
}
log.Debug("Client: got body: %v", charLimiter(string(body), 120))
return body, nil
}
// Limit number of characters in a string (useful to prevent log injection attacks and overly long log outputs)
// Thanks to https://www.socketloop.com/tutorials/golang-characters-limiter-example
func charLimiter(s string, limit int) string {
reader := strings.NewReader(s)
buff := make([]byte, limit)
n, _ := io.ReadAtLeast(reader, buff, limit)
if n != 0 {
return fmt.Sprint(string(buff), "...")
}
return s
}