🎨 Add TLS browser fingerprint implementation (#14934)

Resolves: siyuan-note/siyuan#14933

kernel/model/assets.go

@@ -38,7 +38,6 @@ import (
 	"github.com/88250/lute/html"
 	"github.com/88250/lute/parse"
 	"github.com/gabriel-vasile/mimetype"
-	"github.com/imroc/req/v3"
 	"github.com/siyuan-note/filelock"
 	"github.com/siyuan-note/httpclient"
 	"github.com/siyuan-note/logging"
@@ -101,11 +100,8 @@ func NetAssets2LocalAssets(rootID string, onlyImg bool, originalURL string) (err
 		}
 	}
 
-	browserClient := req.C().
-		SetUserAgent(util.UserAgent).
-		SetTimeout(30 * time.Second).
-		EnableInsecureSkipVerify().
-		SetProxy(httpclient.ProxyFromEnvironment)
+	browserClient := util.CreateCustomReqClient().
+		EnableInsecureSkipVerify() // 添加了自定义TLS指纹, 可以完成对于CDN的资源下载
 
 	forbiddenCount := 0
 	destNodes := getRemoteAssetsLinkDestsInTree(tree, onlyImg)

kernel/util/tls.go

@@ -0,0 +1,93 @@
+// SiYuan - Refactor your thinking
+// Copyright (c) 2020-present, b3log.org
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package util
+
+import (
+	"crypto/tls"
+	"net"
+	"net/http"
+	"time"
+
+	"github.com/imroc/req/v3"
+	"github.com/siyuan-note/httpclient"
+)
+
+// createCustomTLSConfig 创建自定义 TLS 配置
+func createCustomTLSConfig() *tls.Config {
+	return &tls.Config{
+		InsecureSkipVerify: false,
+		MinVersion:         tls.VersionTLS12,
+		MaxVersion:         tls.VersionTLS13,
+
+		// 模拟 Chrome 的密码套件顺序
+		CipherSuites: []uint16{
+			tls.TLS_AES_128_GCM_SHA256,
+			tls.TLS_AES_256_GCM_SHA384,
+			tls.TLS_CHACHA20_POLY1305_SHA256,
+			tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
+			tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
+			tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
+			tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
+			tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
+			tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
+		},
+
+		CurvePreferences: []tls.CurveID{
+			tls.X25519,
+			tls.CurveP256,
+			tls.CurveP384,
+		},
+	}
+}
+
+// CreateCustomHTTPClient 创建自定义 HTTP 客户端
+func CreateCustomHTTPClient() *http.Client {
+	dialer := &net.Dialer{
+		Timeout:   30 * time.Second,
+		KeepAlive: 30 * time.Second,
+	}
+
+	transport := &http.Transport{
+		TLSClientConfig:       createCustomTLSConfig(),
+		DialContext:           dialer.DialContext,
+		MaxIdleConns:          100,
+		MaxIdleConnsPerHost:   10,
+		IdleConnTimeout:       90 * time.Second,
+		TLSHandshakeTimeout:   10 * time.Second,
+		ResponseHeaderTimeout: 10 * time.Second,
+		ForceAttemptHTTP2:     false,
+		TLSNextProto:          make(map[string]func(authority string, c *tls.Conn) http.RoundTripper),
+	}
+
+	return &http.Client{
+		Transport: transport,
+		Timeout:   60 * time.Second,
+	}
+}
+
+// CreateCustomReqClient 创建自定义 req 客户端
+func CreateCustomReqClient() *req.Client {
+	client := req.C()
+
+	client.SetTLSClientConfig(createCustomTLSConfig())
+
+	client.SetUserAgent(UserAgent).
+		SetTimeout(30 * time.Second).
+		SetProxy(httpclient.ProxyFromEnvironment)
+
+	return client
+}