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8 lines
3.3 KiB
JavaScript
8 lines
3.3 KiB
JavaScript
const DEFAULT_PASSWORD='a184f7b849ffffed24d266a30298c72ef2f5ad040db73bf37151fac767630728';const STORAGE_KEYS={THEME_MODE:'theme_mode',OUTPUT_MODE:'output_mode'};const ZERO_WIDTH_REGEX=/[\u200B-\u200F\uFEFF\u202A-\u202E\u2060-\u206F]/u;const BASE64_CHARS_REGEX=/[^A-Za-z0-9+/=]/g;const BASE64_FORMAT_REGEX=/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$/u;const EMOJI_REGEX=/[\u{1F600}-\u{1F64F}\u{1F300}-\u{1F5FF}\u{1F680}-\u{1F6FF}\u{1F1E0}-\u{1F1FF}\u{2600}-\u{26FF}\u{2700}-\u{27BF}]/u;const CHINESE_REGEX=/[\u4E00-\u9FFF\u3400-\u4DBF\uF900-\uFAFF]/u;const PASSWORD_CHARSET="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()_+~`|}{[]:;?><,./-='\"\\";const textEncoder=new TextEncoder();(function applyThemeEarly(){const savedThemeMode=localStorage.getItem(STORAGE_KEYS.THEME_MODE);const isDarkMode=savedThemeMode?savedThemeMode==='dark':window.matchMedia('(prefers-color-scheme: dark)').matches;if(isDarkMode){document.documentElement.classList.add('dark');}})();async function handleStream(stream,writerData){const writer=stream.writable.getWriter();await writer.write(writerData);await writer.close();const reader=stream.readable.getReader();const chunks=[];while(true){const{done,value}=await reader.read();if(done)break;chunks.push(value);}
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return new Blob(chunks).arrayBuffer();}
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const toUint8Array=data=>data instanceof Uint8Array?data:new Uint8Array(typeof data==='string'?textEncoder.encode(data):data);const utils={arrayBufferToBase64:buffer=>sodium.to_base64(new Uint8Array(buffer),sodium.base64_variants.ORIGINAL),base64ToArrayBuffer:base64=>sodium.from_base64(base64,sodium.base64_variants.ORIGINAL).buffer,stringToArrayBuffer:str=>sodium.from_string(str).buffer,arrayBufferToString:buffer=>sodium.to_string(new Uint8Array(buffer)),generateRandomBytes:length=>sodium.randombytes_buf(length),compressData(data){if(typeof pako==='undefined'){throw new Error('压缩失败，pako库未加载');}
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return pako.deflateRaw(toUint8Array(data),{level:9});},decompressData(data){if(typeof pako==='undefined'){throw new Error('解压失败，pako库未加载');}
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const uint8Data=toUint8Array(data);try{return pako.inflateRaw(uint8Data);}catch{return pako.inflate(uint8Data);}},generatePassword(length){return Array.from({length},()=>PASSWORD_CHARSET[sodium.randombytes_uniform(PASSWORD_CHARSET.length)]).join('');},copyToClipboard(text){navigator.clipboard.writeText(text).catch(err=>{console.error('复制失败:',err);showNotification('复制到剪贴板失败，请手动复制。',false);});},detectCiphertextType(ciphertext){const limitedText=ciphertext.slice(0,1000);if(ZERO_WIDTH_REGEX.test(limitedText)){return'zero-width';}
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const base64Chars=limitedText.replace(BASE64_CHARS_REGEX,'');const base64Ratio=base64Chars.length/limitedText.length;if(base64Ratio>0.8&&BASE64_FORMAT_REGEX.test(base64Chars)){return'base64';}
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if(EMOJI_REGEX.test(limitedText)){return'emoji';}
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if(CHINESE_REGEX.test(limitedText)){return'chinese';}},saveThemeMode(mode){if(mode==='light'||mode==='dark'){localStorage.setItem(STORAGE_KEYS.THEME_MODE,mode);}},getSavedThemeMode(){return localStorage.getItem(STORAGE_KEYS.THEME_MODE);},saveOutputMode(mode){const validModes=['chinese','base64','emoji','zero-width'];if(validModes.includes(mode)){localStorage.setItem(STORAGE_KEYS.OUTPUT_MODE,mode);}},getSavedOutputMode(){return localStorage.getItem(STORAGE_KEYS.OUTPUT_MODE)||'chinese';}}; |