feat: get_private_file_url

src/core/packet/context/operationContext.ts

@@ -160,6 +160,12 @@ export class PacketOperationContext {
         const res = trans.DownloadGroupFile.parse(resp);
         return `https://${res.download.downloadDns}/ftn_handler/${Buffer.from(res.download.downloadUrl).toString('hex')}/?fname=`;
     }
+    async GetPrivateFileUrl(self_id: string, fileUUID: string, md5: string) {
+        const req = trans.DownloadPrivateFile.build(self_id, fileUUID, md5);
+        const resp = await this.context.client.sendOidbPacket(req, true);
+        const res = trans.DownloadPrivateFile.parse(resp);
+        return `http://${res.body?.result?.server}:${res.body?.result?.port}${res.body?.result?.url?.slice(8)}&isthumb=0`;
+    }
 
     async GetGroupPttUrl(groupUin: number, node: NapProtoEncodeStructType<typeof IndexNode>) {
         const req = trans.DownloadGroupPtt.build(groupUin, node);

src/onebot/action/file/GetPrivateFileUrl.ts

@@ -0,0 +1,38 @@
+import { ActionName } from '@/onebot/action/router';
+import { FileNapCatOneBotUUID } from '@/common/file-uuid';
+import { GetPacketStatusDepends } from '@/onebot/action/packet/GetPacketStatus';
+import { Static, Type } from '@sinclair/typebox';
+
+const SchemaData = Type.Object({
+    file_id: Type.String(),
+});
+
+type Payload = Static<typeof SchemaData>;
+
+interface GetPrivateFileUrlResponse {
+    url?: string;
+}
+
+export class GetPrivateFileUrl extends GetPacketStatusDepends<Payload, GetPrivateFileUrlResponse> {
+    override actionName = ActionName.NapCat_GetPrivateFileUrl;
+    override payloadSchema = SchemaData;
+
+    async _handle(payload: Payload) {
+        const contextMsgFile = FileNapCatOneBotUUID.decode(payload.file_id);
+
+        if (contextMsgFile?.fileUUID && contextMsgFile.msgId) {
+            let msg = await this.core.apis.MsgApi.getMsgsByMsgId(contextMsgFile.peer, [contextMsgFile.msgId]);
+            let self_id = this.core.selfInfo.uid;
+            let file_hash = msg.msgList[0]?.elements.map(ele => ele.fileElement?.file10MMd5)[0];
+            console.log(file_hash,msg)
+            if (file_hash) {
+                return {
+                    url: await this.core.apis.PacketApi.pkt.operation.GetPrivateFileUrl(self_id, contextMsgFile.fileUUID, file_hash)
+                };
+            }
+
+        }
+        console.log(contextMsgFile);
+        throw new Error('real fileUUID not found!');
+    }
+}

src/onebot/action/index.ts

@@ -106,6 +106,7 @@ import { SendPoke } from '@/onebot/action/packet/SendPoke';
 import { SetDiyOnlineStatus } from './extends/SetDiyOnlineStatus';
 import { BotExit } from './extends/BotExit';
 import { ClickInlineKeyboardButton } from './extends/ClickInlineKeyboardButton';
+import { GetPrivateFileUrl } from './file/GetPrivateFileUrl';
 
 export function createActionMap(obContext: NapCatOneBot11Adapter, core: NapCatCore) {
 
@@ -225,6 +226,7 @@ export function createActionMap(obContext: NapCatOneBot11Adapter, core: NapCatCo
         new GetGroupSystemMsg(obContext, core),
         new BotExit(obContext, core),
         new ClickInlineKeyboardButton(obContext, core),
+        new GetPrivateFileUrl(obContext,core)
     ];
 
     type HandlerUnion = typeof actionHandlers[number];

src/onebot/action/router.ts

@@ -10,6 +10,7 @@ export interface InvalidCheckResult {
 }
 
 export const ActionName = {
+    NapCat_GetPrivateFileUrl: 'get_private_file_url',
     ClickInlineKeyboardButton: 'click_inline_keyboard_button',
     GetUnidirectionalFriendList: 'get_unidirectional_friend_list',
     // onebot 11

src/onebot/api/msg.ts

@@ -148,7 +148,7 @@ export class OneBotMsgApi {
                 peerUid: msg.peerUid,
                 guildId: '',
             };
-            const file = FileNapCatOneBotUUID.encode(peer, msg.msgId, elementWrapper.elementId, element.fileUuid, element.fileName);
+            const file = FileNapCatOneBotUUID.encode(peer, msg.msgId, elementWrapper.elementId, element.fileUuid, element.fileUuid);
             return {
                 type: OB11MessageDataType.file,
                 data: {