optimize receive

onebot/script.js

@@ -82,268 +82,6 @@ function generateAESKey() {
     return key;
 }
 
-function getProtobufRawBytes(pBuffer, scanSize) {
-    const tags = [0x12, 0x1A, 0x2A, 0x42, 0x52, 0x5A];
-    let uint8Array;
-
-    try {
-        const mem = pBuffer.readByteArray(scanSize);
-        if (!mem) return [];
-        uint8Array = new Uint8Array(mem);
-    } catch (e) {
-        console.error("读取内存失败: " + e);
-        return [];
-    }
-
-    let finalResults = [];
-
-    let i = 0x1a;
-    tags.forEach(targetTag => {
-        let found = false;
-        for (; i < uint8Array.length; i++) {
-            if (uint8Array[i] === targetTag) {
-                // 1. 解析 Varint 长度 (支持 1-5 字节长度标识)
-                let length = 0;
-                let shift = 0;
-                let bytesReadForLen = 0;
-                i = i + 1;
-
-                let lenNum = 0;
-                while (i < uint8Array.length) {
-                    let b = uint8Array[i];
-                    length |= (b & 0x7F) << shift;
-                    bytesReadForLen++;
-                    i++;
-                    lenNum++;
-                    if (!(b & 0x80)) break;
-                    shift += 7;
-                }
-
-                // 2. 截取原始 Byte 数据
-                if (i + length <= uint8Array.length) {
-                    let addNum = 0
-                    if (targetTag === 0x12 || targetTag === 0x1A || targetTag === 0x2A) {
-                        addNum = lenNum + 1;
-                    }
-                    let rawData = uint8Array.slice(i, i + length);
-                    if (targetTag === 0x42) {
-                        finalResults.push(rawData);
-                    } else {
-                        finalResults.push(decodeProtobufString(rawData));
-                    }
-                    i += length;
-                } else {
-                    finalResults.push(null); // 长度越界
-                }
-
-                found = true;
-                break; // 找到第一个匹配的 Tag 就跳出
-            }
-        }
-        if (!found) finalResults.push(null); // 未找到该 Tag
-    });
-
-
-    for (; i < uint8Array.length; i++) {
-        if (uint8Array[i] === 0x60 && i + 10 <= uint8Array.length) {
-            finalResults.push(uint8Array.slice(i + 1, i + 10))
-        }
-    }
-
-    return finalResults;
-}
-
-function getCleanString(uint8Array) {
-    var out = "";
-    var i = 0;
-    var len = uint8Array.length;
-
-    while (i < len) {
-        var c = uint8Array[i++];
-
-        // 1. 处理单字节 (ASCII: 0xxxxxxx)
-        if (c < 0x80) {
-            // 只保留可见字符 (Space 32 到 ~ 126)
-            if (c >= 32 && c <= 126) {
-                out += String.fromCharCode(c);
-            }
-        }
-        // 2. 处理双字节 (110xxxxx 10xxxxxx)
-        else if ((c & 0xE0) === 0xC0 && i < len) {
-            var c2 = uint8Array[i++];
-            if ((c2 & 0xC0) === 0x80) {
-                // 这种通常是特殊拉丁字母等，按需保留
-                var charCode = ((c & 0x1F) << 6) | (c2 & 0x3F);
-                out += String.fromCharCode(charCode);
-            } else {
-                i--;
-            }
-        }
-        // 3. 处理三字节 (1110xxxx 10xxxxxx 10xxxxxx) -> 绝大多数汉字在此
-        else if ((c & 0xF0) === 0xE0 && i + 1 < len) {
-            var c2 = uint8Array[i++];
-            var c3 = uint8Array[i++];
-            if ((c2 & 0xC0) === 0x80 && (c3 & 0xC0) === 0x80) {
-                var charCode = ((c & 0x0F) << 12) | ((c2 & 0x3F) << 6) | (c3 & 0x3F);
-                if (
-                    (charCode >= 0x4E00 && charCode <= 0x9FA5) || // 基本汉字
-                    (charCode >= 0x3000 && charCode <= 0x303F) || // 常用中文标点 (。，、)
-                    (charCode >= 0xFF00 && charCode <= 0xFFEF) || // 全角符号/标点 (！：？)
-                    (charCode >= 0x2000 && charCode <= 0x206F) || // 常用标点扩展 (含 \u2005)
-                    (charCode >= 0x3400 && charCode <= 0x4DBF)    // 扩展 A 区汉字
-                ) {
-                    out += String.fromCharCode(charCode);
-                }
-            } else {
-                i -= 2;
-            }
-        } else if ((c & 0xF8) === 0xF0 && i + 2 < len) {
-            var c2 = uint8Array[i++];
-            var c3 = uint8Array[i++];
-            var c4 = uint8Array[i++];
-            if ((c2 & 0xC0) === 0x80 && (c3 & 0xC0) === 0x80 && (c4 & 0xC0) === 0x80) {
-                // 计算 Unicode 码点
-                var codePoint = ((c & 0x07) << 18) | ((c2 & 0x3F) << 12) | ((c3 & 0x3F) << 6) | (c4 & 0x3F);
-
-                // Emoji 范围通常在 U+1F000 到 U+1F9FF 之间
-                if (codePoint >= 0x1F000 && codePoint <= 0x1FADF) {
-                    // 使用 fromCodePoint 处理 4 字节字符
-                    out += String.fromCodePoint(codePoint);
-                }
-            } else {
-                i -= 3;
-            }
-        }
-    }
-    return out;
-}
-
-function readProtobufVarint(uint8Array, offset) {
-    let value = 0;
-    let shift = 0;
-
-    for (let i = offset; i < uint8Array.length && i - offset < 10; i++) {
-        const b = uint8Array[i];
-        value += (b & 0x7F) * Math.pow(2, shift);
-        if ((b & 0x80) === 0) {
-            return {value: value, nextOffset: i + 1};
-        }
-        shift += 7;
-    }
-
-    return null;
-}
-
-function decodeProtobufString(uint8Array, depth) {
-    if (depth === undefined) {
-        depth = 0;
-    }
-
-    if (depth < 2) {
-        const nested = tryDecodeNestedProtobufString(uint8Array, depth);
-        if (nested !== null) {
-            return nested;
-        }
-    }
-
-    return getCleanString(uint8Array);
-}
-
-function tryDecodeNestedProtobufString(uint8Array, depth) {
-    if (!uint8Array || uint8Array.length < 2) {
-        return null;
-    }
-
-    let offset = 0;
-    const candidates = [];
-
-    while (offset < uint8Array.length) {
-        const tagInfo = readProtobufVarint(uint8Array, offset);
-        if (!tagInfo) {
-            return null;
-        }
-
-        const fieldNumber = Math.floor(tagInfo.value / 8);
-        const wireType = tagInfo.value & 0x07;
-        if (fieldNumber <= 0) {
-            return null;
-        }
-
-        offset = tagInfo.nextOffset;
-        if (wireType === 2) {
-            const lenInfo = readProtobufVarint(uint8Array, offset);
-            if (!lenInfo) {
-                return null;
-            }
-
-            const valueStart = lenInfo.nextOffset;
-            const valueEnd = valueStart + lenInfo.value;
-            if (valueEnd > uint8Array.length) {
-                return null;
-            }
-
-            const value = uint8Array.slice(valueStart, valueEnd);
-            const text = decodeProtobufString(value, depth + 1);
-            if (text) {
-                candidates.push({fieldNumber: fieldNumber, text: text});
-            }
-            offset = valueEnd;
-        } else if (wireType === 0) {
-            const valueInfo = readProtobufVarint(uint8Array, offset);
-            if (!valueInfo) {
-                return null;
-            }
-            offset = valueInfo.nextOffset;
-        } else if (wireType === 1) {
-            offset += 8;
-            if (offset > uint8Array.length) {
-                return null;
-            }
-        } else if (wireType === 5) {
-            offset += 4;
-            if (offset > uint8Array.length) {
-                return null;
-            }
-        } else {
-            return null;
-        }
-    }
-
-    if (candidates.length === 0) {
-        return null;
-    }
-
-    for (const candidate of candidates) {
-        if (candidate.fieldNumber === 2) {
-            return candidate.text;
-        }
-    }
-
-    return candidates.map(candidate => candidate.text).join("");
-}
-
-function protobufVarintToNumberString(uint8Array) {
-    let result = BigInt(0);
-    let shift = BigInt(0);
-
-    for (let i = 0; i < uint8Array?.length; i++) {
-        const byte = uint8Array[i];
-
-        // 1. 取出低 7 位并累加到结果中
-        // (BigInt(byte & 0x7F) << shift)
-        result += BigInt(byte & 0x7F) << shift;
-
-        // 2. 检查最高位 (MSB)。如果为 0，说明这个数字结束了
-        if ((byte & 0x80) === 0) {
-            return result.toString();
-        }
-
-        // 3. 准备处理下一个 7 位
-        shift += BigInt(7);
-    }
-
-    return result.toString();
-}
 
 function generateBytes(n) {
     // 生成随机字符串
@@ -1858,83 +1596,21 @@ function setReceiver() {
             //     header: true,
             //     ansi: true
             // }));
-            const fields = getProtobufRawBytes(currentPtr, x2)
 
-            const sender = fields[0]
-            const receiver = fields[1]
-            const content = fields[2]
-            const mediaContent = fields[3]
-            const xml = fields[4]
-            const userContent = fields[5]
-            const msgId = protobufVarintToNumberString(fields[6])
-
-            if (typeof sender !== "string" || sender === "" || typeof receiver !== "string" || receiver === "" ||
-                typeof content !== "string" || content === "" || typeof msgId !== "string" || msgId === "") {
+            // 过滤非聊天消息:
+            // 1. field 2 是 varint (tag=0x10) 而非嵌套 message (tag=0x12) → 同步/通知消息
+            // 2. field 2 wrapper长度 < 128 (单字节varint) → wrapper内容过小,非聊天消息
+            if (currentPtr.add(2).readU8() === 0x10 || currentPtr.add(2).readU8() === 0x16 || (currentPtr.add(3).readU8() & 0x80) === 0) {
                 return;
             }
 
-            var selfId = receiver
-            var msgType = "private"
-            var groupId = ""
-            var senderUser = sender
-            var senderNickname = ""
-            var messages = getMessages(content, sender, mediaContent);
-
-            if (sender.includes("@chatroom")) {
-                msgType = "group"
-                groupId = sender
-
-                let splitIndex = content.indexOf(':')
-                const sendUserStart = content.indexOf('wxid_')
-                senderUser = content.substring(sendUserStart, splitIndex).trim();
-
-                const atUserMatch = xml.match(/<atuserlist>([\s\S]*?)<\/atuserlist>/);
-                const atUser = atUserMatch ? atUserMatch[1] : null;
-                if (atUser) {
-                    atUser.split(',').forEach(atUser => {
-                        atUser = atUser.trim();
-                        if (atUser) {
-                            messages.push({type: "at", data: {qq: atUser}});
-                        }
-                    });
-                }
-
-                // 处理用户的名称
-                splitIndex = userContent?.indexOf(':')
-                if (splitIndex === -1) {
-                    splitIndex = userContent?.indexOf('在群聊中@了你') !== -1 ? userContent?.indexOf('在群聊中@了你') : userContent?.indexOf('在群聊中发了一段语')
-                    senderNickname = userContent?.substring(0, splitIndex).trim();
-                } else {
-                    senderNickname = userContent?.substring(0, splitIndex).trim();
-                }
-                if (!senderNickname) {
-                    senderNickname = senderUser
-                }
-
-            } else {
-                // 处理用户的名称
-                const splitIndex = userContent?.indexOf(':')
-                senderNickname = userContent?.substring(0, splitIndex).trim();
-                if (!senderNickname) {
-                    senderNickname = senderUser
-                }
-            }
+            const mem = currentPtr.readByteArray(x2);
+            if (!mem) return;
+            const uint8Array = new Uint8Array(mem);
 
             send({
-                time: Date.now(),
-                post_type: "message",
-                message_type: msgType,
-                user_id: senderUser, // 发送人的 ID
-                self_id: selfId, // 接收人的 ID
-                group_id: groupId, // 群 ID
-                message_id: msgId,
-                type: "send",
-                raw: {peerUid: msgId},
-                message: messages,
-                sender: {user_id: senderUser, nickname: senderNickname},
-                msgsource: xml,
-                raw_message: content,
-                show_content: userContent
+                type: "protobuf_msg",
+                data: Array.from(uint8Array),
             })
         },
     });
@@ -2179,75 +1855,4 @@ function triggerDownload(receiver, cdnUrl, aesKey, filePath, fileType) {
     return startDwMedia(downloadGlobalX0, downloadFileX1);
 }
 
-function getMessages(content, sender, mediaContent) {
-    var messages = [];
-    if (sender.includes("@chatroom")) {
-        let splitIndex = content.indexOf(':')
-        let pureContent = content.substring(splitIndex + 1).trim();
-        const parts = pureContent.split('\u2005');
-        for (let part of parts) {
-            part = part.trim();
-            if (part.startsWith("<?xml version=\"1.0\"?><msg><img")) {
-                messages.push({type: "image", data: {text: part}});
-            } else if (part.startsWith("<msg><voicemsg")) {
-                messages.push({type: "record", data: {text: part}});
-            } else if (part.startsWith("<?xml version=\"1.0\"?><msg><appmsg")) {
-                const regex = /<type>(.*?)<\/type>/s;
-                const match = part.match(regex);
-                if (match.length > 1) {
-                    switch (match[1]) {
-                        case "5":
-                            messages.push({type: "share", data: {text: part}});
-                            break
-                        case "6":
-                            messages.push({type: "file", data: {text: part}});
-                            break
-                    }
-                }
-            } else if (part.startsWith("<msg><emoji")) {
-                messages.push({type: "face", data: {text: part}});
-            } else if (part.startsWith("<?xml version=\"1.0\"?><msg><videomsg")) {
-                messages.push({type: "video", data: {text: part}});
-            } else if (part.startsWith("<sysmsg") || part.startsWith("<?xml version=\"1.0\"?><sysmsg")) {
-                messages.push({type: "sys", data: {text: part}});
-            } else {
-                messages.push({type: "text", data: {text: part}});
-            }
-        }
-    } else {
-        if (content.startsWith("<?xml version=\"1.0\"?><msg><img")) {
-            messages.push({type: "image", data: {text: content}});
-        } else if (content.startsWith("<msg><voicemsg")) {
-            const audioStart = mediaContent.indexOf(2);
-            if (audioStart !== -1) {
-                mediaContent = mediaContent.subarray(audioStart);
-            }
-            messages.push({type: "record", data: {text: content, media: Array.from(mediaContent)}});
-        } else if (content.startsWith("<?xml version=\"1.0\"?><msg><appmsg")) {
-            const regex = /<type>(.*?)<\/type>/s;
-            const match = content.match(regex);
-            if (match.length > 1) {
-                switch (match[1]) {
-                    case "5":
-                        messages.push({type: "share", data: {text: content}});
-                        break
-                    case "6":
-                        messages.push({type: "file", data: {text: content}});
-                        break
-                }
-            }
-        } else if (content.startsWith("<msg><emoji")) {
-            messages.push({type: "face", data: {text: content}});
-        } else if (content.startsWith("<?xml version=\"1.0\"?><msg><videomsg")) {
-            messages.push({type: "video", data: {text: content}});
-        } else if (content.startsWith("<sysmsg") || content.startsWith("<?xml version=\"1.0\"?><sysmsg")) {
-            messages.push({type: "sys", data: {text: content}});
-        } else {
-            messages.push({type: "text", data: {text: content}});
-        }
-    }
-
-    return messages;
-}
-
 // -------------------------接收消息分区-------------------------