Add files via upload

character-import.js

@@ -0,0 +1,123 @@
+/**
+ * 角色卡导入：从 PNG/JSON 解析 + 导入到 SillyTavern
+ */
+
+import { getRequestHeaders } from '../../../../script.js';
+
+// 从 PNG 提取角色卡数据 (V2 格式)
+export async function extractCharacterFromPNG(file) {
+  return new Promise((resolve, reject) => {
+    const reader = new FileReader();
+    reader.onload = async function (e) {
+      try {
+        const arrayBuffer = e.target.result;
+        const dataView = new DataView(arrayBuffer);
+
+        const pngSignature = [137, 80, 78, 71, 13, 10, 26, 10];
+        for (let i = 0; i < 8; i++) {
+          if (dataView.getUint8(i) !== pngSignature[i]) {
+            throw new Error('不是有效的 PNG 文件');
+          }
+        }
+
+        let offset = 8;
+        while (offset < arrayBuffer.byteLength) {
+          const length = dataView.getUint32(offset);
+          const type = String.fromCharCode(
+            dataView.getUint8(offset + 4),
+            dataView.getUint8(offset + 5),
+            dataView.getUint8(offset + 6),
+            dataView.getUint8(offset + 7)
+          );
+
+          if (type === 'tEXt' || type === 'iTXt') {
+            const chunkData = new Uint8Array(arrayBuffer, offset + 8, length);
+            const text = new TextDecoder('utf-8').decode(chunkData);
+
+            if (text.startsWith('chara\0')) {
+              const base64Data = text.substring(6);
+
+              const binaryStr = atob(base64Data);
+              const bytes = new Uint8Array(binaryStr.length);
+              for (let i = 0; i < binaryStr.length; i++) {
+                bytes[i] = binaryStr.charCodeAt(i);
+              }
+              const jsonStr = new TextDecoder('utf-8').decode(bytes);
+              const charData = JSON.parse(jsonStr);
+
+              const uint8Array = new Uint8Array(arrayBuffer);
+              let binary = '';
+              for (let i = 0; i < uint8Array.length; i++) {
+                binary += String.fromCharCode(uint8Array[i]);
+              }
+              const avatarBase64 = 'data:image/png;base64,' + btoa(binary);
+
+              resolve({
+                name: charData.name || charData.data?.name || '未知角色',
+                description: charData.description || charData.data?.description || '',
+                avatar: avatarBase64,
+                rawData: charData
+              });
+              return;
+            }
+          }
+
+          offset += 12 + length;
+        }
+
+        throw new Error('PNG 文件中未找到角色卡数据');
+      } catch (err) {
+        reject(err);
+      }
+    };
+    reader.onerror = () => reject(new Error('文件读取失败'));
+    reader.readAsArrayBuffer(file);
+  });
+}
+
+// 从 JSON 导入角色卡
+export async function extractCharacterFromJSON(file) {
+  return new Promise((resolve, reject) => {
+    const reader = new FileReader();
+    reader.onload = function (e) {
+      try {
+        const charData = JSON.parse(e.target.result);
+        resolve({
+          name: charData.name || charData.data?.name || '未知角色',
+          description: charData.description || charData.data?.description || charData.personality || '',
+          avatar: charData.avatar || null,
+          rawData: charData
+        });
+      } catch (err) {
+        reject(new Error('JSON 解析失败'));
+      }
+    };
+    reader.onerror = () => reject(new Error('文件读取失败'));
+    reader.readAsText(file);
+  });
+}
+
+// 导入角色卡到 SillyTavern
+export async function importCharacterToST(characterData) {
+  try {
+    const formData = new FormData();
+    if (characterData.file) {
+      formData.append('avatar', characterData.file);
+    }
+
+    const response = await fetch('/api/characters/import', {
+      method: 'POST',
+      headers: getRequestHeaders(),
+      body: formData
+    });
+
+    if (!response.ok) {
+      throw new Error('导入失败');
+    }
+
+    return await response.json();
+  } catch (err) {
+    console.error('[可乐] 导入角色卡失败:', err);
+    throw err;
+  }
+}