server.js

// @bun
var BJ=Object.defineProperty;var OJ=($)=>$;function VJ($,J){this[$]=OJ.bind(null,J)}var zJ=($,J)=>{for(var Q in J)BJ($,Q,{get:J[Q],enumerable:!0,configurable:!0,set:VJ.bind(J,Q)})};var z0=import.meta.require;import Z from"crypto";import $1 from"fs";import N0 from"path";import{fileURLToPath as UJ}from"url";import J0 from"crypto";var{Database:z6}=global.bun?.sqlite||z0("bun:sqlite"),n0="aes-256-gcm",F$=null,p0=32,c0=p0*2;function u0($,J){if($.length!==c0||!/^[0-9a-fA-F]+$/.test($))throw Error(`Invalid ENCRYPTION_KEY (${J}): expected ${c0} hex chars (32 bytes), got ${$.length} chars. Generate one with: node -e "console.log(require('crypto').randomBytes(32).toString('hex'))"`);return Buffer.from($,"hex")}function i0($){let J=process.env.ENCRYPTION_KEY;if(J&&J!=="your-64-char-hex-key-here"){F$=u0(J,"env");return}let Q=$.prepare("SELECT value FROM settings WHERE key = 'encryption_key'").get();if(Q){F$=u0(Q.value,"db");return}F$=J0.randomBytes(p0),$.prepare("INSERT INTO settings (key, value) VALUES ('encryption_key', ?)").run(F$.toString("hex"))}function E0(){if(!F$)throw Error("Encryption key not initialized. Call initEncryptionKey() first.");return F$}function d0(){return E0().toString("hex")}function o0($){let J=E0(),Q=J0.randomBytes(16),W=J0.createCipheriv(n0,J,Q),G=W.update($,"utf8","hex");G+=W.final("hex");let Y=W.getAuthTag().toString("hex");return{encrypted:G,iv:Q.toString("hex"),authTag:Y}}function w$($,J,Q){let W=E0(),G=J0.createDecipheriv(n0,W,Buffer.from(J,"hex"));G.setAuthTag(Buffer.from(Q,"hex"));let Y=G.update($,"hex","utf8");return Y+=G.final("utf8"),Y}function r0($){if($.length<=8)return"****"+$.slice(-4);return $.slice(0,4)+"..."+$.slice(-4)}async function a0(){let $=await fetch("https://raw.githubusercontent.com/anomalyco/models.dev/dev/models.json");if(!$.ok)throw Error(`Failed to fetch models.dev: ${$.status}`);return(await $.json()).data}function t0($){return $.filter((J)=>J.pricing?.prompt==="0"&&J.pricing?.completion==="0")}var EJ=new Set(["google","groq","cerebras","sambanova","nvidia","mistral","github","cohere","cloudflare","zhipu"]);function s0($){let J=$.id,Q=J.indexOf("/"),W=Q>0?J.slice(0,Q):J,G=Q>0?J.slice(Q+1):J;if(J.includes(":free")||!EJ.has(W))return{platform:"openrouter",modelId:J,displayName:$.name,contextWindow:$.context_length??0};return{platform:W,modelId:G,displayName:$.name,contextWindow:$.context_length??0}}function NJ($){let J=$.match(/(\d+)\s*b\b/i);if(J)return parseInt(J[1],10);let Q=$.match(/(\d+)\s*t\b/i);if(Q)return parseInt(Q[1],10)*1000;return null}function e0($){let J=$.name.toLowerCase(),Q=NJ(J),W=15,G=8,Y=["opus","o1","o3","claude-3.5","claude-4","gpt-4","gemini-pro","deepseek-v4","deepseek-r1","qwen3-235b","qwen3-coder"],X=["flash","lite","nano","mini","xs","small"];if(Y.some((H)=>J.includes(H)))W-=8;if(X.some((H)=>J.includes(H)))W+=5;if(J.includes("maverick")||J.includes("scout"))W+=2;if(Q!==null)if(Q<=2)W+=8,G=2;else if(Q<=9)W+=5,G=3;else if(Q<=32)W+=2,G=6;else if(Q<=70)W+=0,G=8;else if(Q<=120)W-=2,G=9;else if(Q<=250)W-=4,G=10;else if(Q<=500)W-=5,G=11;else W-=6,G=12;if($.context_length>500000)W-=1;return W=Math.max(1,Math.min(30,W)),G=Math.max(1,Math.min(15,G)),{intelligence:W,speed:G}}var{Database:LJ}=global.bun?.sqlite||z0("bun:sqlite"),SJ=typeof import.meta.url==="string"?UJ(import.meta.url):import.meta.url,jJ=N0.dirname(SJ),RJ=N0.join(jJ,"data","freeapi.db"),x;function A(){if(!x)throw Error("Database not initialized. Call initDb() first.");return x}async function J1($){let J=$??RJ,Q=J===":memory:";if(!Q){let G=N0.dirname(J);if(!$1.existsSync(G))$1.mkdirSync(G,{recursive:!0})}if(x=new LJ(J),!Q)x.exec("PRAGMA journal_mode = WAL");if(x.exec("PRAGMA foreign_keys = ON"),qJ(x),i0(x),x.prepare("SELECT COUNT(*) as cnt FROM models").get().cnt===0)try{await AJ(x)}catch(G){console.error("[DB] Failed to seed models from models.dev:",G)}return vJ(x),wJ(x),console.log(`Database initialized at ${J}`),x}function qJ($){$.exec(`
    CREATE TABLE IF NOT EXISTS models (
      id INTEGER PRIMARY KEY AUTOINCREMENT,
      platform TEXT NOT NULL,
      model_id TEXT NOT NULL,
      display_name TEXT NOT NULL,
      intelligence_rank INTEGER NOT NULL,
      speed_rank INTEGER NOT NULL,
      size_label TEXT NOT NULL DEFAULT '',
      rpm_limit INTEGER,
      rpd_limit INTEGER,
      tpm_limit INTEGER,
      tpd_limit INTEGER,
      monthly_token_budget TEXT NOT NULL DEFAULT '',
      context_window INTEGER,
      enabled INTEGER NOT NULL DEFAULT 1,
      UNIQUE(platform, model_id)
    );

    CREATE TABLE IF NOT EXISTS api_keys (
      id INTEGER PRIMARY KEY AUTOINCREMENT,
      platform TEXT NOT NULL,
      label TEXT NOT NULL DEFAULT '',
      encrypted_key TEXT NOT NULL,
      iv TEXT NOT NULL,
      auth_tag TEXT NOT NULL,
      status TEXT NOT NULL DEFAULT 'unknown',
      enabled INTEGER NOT NULL DEFAULT 1,
      created_at TEXT NOT NULL DEFAULT (datetime('now')),
      last_checked_at TEXT
    );

    CREATE TABLE IF NOT EXISTS requests (
      id INTEGER PRIMARY KEY AUTOINCREMENT,
      platform TEXT NOT NULL,
      model_id TEXT NOT NULL,
      status TEXT NOT NULL,
      input_tokens INTEGER NOT NULL DEFAULT 0,
      output_tokens INTEGER NOT NULL DEFAULT 0,
      latency_ms INTEGER NOT NULL DEFAULT 0,
      error TEXT,
      created_at TEXT NOT NULL DEFAULT (datetime('now'))
    );

    CREATE TABLE IF NOT EXISTS fallback_config (
      id INTEGER PRIMARY KEY AUTOINCREMENT,
      model_db_id INTEGER NOT NULL REFERENCES models(id),
      priority INTEGER NOT NULL,
      enabled INTEGER NOT NULL DEFAULT 1,
      UNIQUE(model_db_id)
    );

    CREATE TABLE IF NOT EXISTS settings (
      key TEXT PRIMARY KEY,
      value TEXT NOT NULL
    );

    CREATE TABLE IF NOT EXISTS users (
      id INTEGER PRIMARY KEY AUTOINCREMENT,
      username TEXT NOT NULL UNIQUE,
      password_hash TEXT NOT NULL,
      salt TEXT NOT NULL,
      created_at TEXT NOT NULL DEFAULT (datetime('now'))
    );

    CREATE TABLE IF NOT EXISTS sessions (
      id INTEGER PRIMARY KEY AUTOINCREMENT,
      user_id INTEGER NOT NULL REFERENCES users(id),
      token TEXT NOT NULL UNIQUE,
      created_at TEXT NOT NULL DEFAULT (datetime('now')),
      expires_at TEXT NOT NULL
    );

    CREATE INDEX IF NOT EXISTS idx_requests_created_at ON requests(created_at);
    CREATE INDEX IF NOT EXISTS idx_requests_platform ON requests(platform);
    CREATE INDEX IF NOT EXISTS idx_api_keys_platform ON api_keys(platform);
    CREATE INDEX IF NOT EXISTS idx_sessions_token ON sessions(token);
  `)}async function AJ($){console.log("[DB] Fetching free models from models.dev...");let J=await a0(),Q=t0(J);if(Q.length===0){console.warn("[DB] No free models found from models.dev");return}let W=$.prepare(`
    INSERT INTO models (
      platform, model_id, display_name, intelligence_rank, speed_rank,
      size_label, rpm_limit, rpd_limit, tpm_limit, tpd_limit,
      monthly_token_budget, context_window, enabled
    ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, 1)
  `),G=$.prepare("INSERT INTO fallback_config (model_db_id, priority, enabled) VALUES (?, ?, 1)"),Y=Q.map((M)=>{let O=s0(M),R=e0(M),D=FJ(M.name);return{...O,intelligenceRank:R.intelligence,speedRank:R.speed,sizeLabel:D}});Y.sort((M,O)=>M.intelligenceRank-O.intelligenceRank),$.transaction(()=>{for(let M of Y)W.run(M.platform,M.modelId,M.displayName,M.intelligenceRank,M.speedRank,M.sizeLabel,null,null,null,null,"",M.contextWindow)})();let H=$.prepare("SELECT id FROM models ORDER BY intelligence_rank ASC").all();$.transaction(()=>{for(let M=0;M<H.length;M++)G.run(H[M].id,M+1)})(),console.log(`[DB] Seeded ${Y.length} free models from models.dev`)}function FJ($){let J=$.toLowerCase();if(J.includes("opus")||J.includes("o1")||J.includes("o3")||J.includes("claude-3.5")||J.includes("claude-4")||J.includes("gpt-4")||J.includes("gemini-pro")||J.includes("deepseek-v4")||J.includes("deepseek-r1"))return"Frontier";if(J.includes("flash")||J.includes("lite")||J.includes("nano")||J.includes("mini")||J.includes("xs")||J.includes("small")||J.includes("8b")||J.includes("1.2b"))return"Small";return"Large"}function wJ($){let Q=$.prepare("SELECT COUNT(*) as cnt FROM users").get().cnt>0,W;if(!Q){W=process.env.ADMIN_PASSWORD||`${Z.randomBytes(3).toString("hex")}-${Z.randomBytes(3).toString("hex")}`;let Y=Z.randomBytes(16).toString("hex"),X=Z.pbkdf2Sync(W,Y,1e5,64,"sha512").toString("hex");$.prepare("INSERT INTO users (username, password_hash, salt) VALUES (?, ?, ?)").run("admin",X,Y),$.prepare("INSERT OR REPLACE INTO settings (key, value) VALUES ('admin_password', ?)").run(W),console.log(`
  Admin user created:`)}else{let G=$.prepare("SELECT value FROM settings WHERE key = 'admin_password'").get();if(G?.value)W=G.value;else{W=`${Z.randomBytes(4).toString("hex")}-${Z.randomBytes(4).toString("hex")}-${Z.randomBytes(4).toString("hex")}`;let Y=Z.randomBytes(16).toString("hex"),X=Z.pbkdf2Sync(W,Y,1e5,64,"sha512").toString("hex");$.prepare("UPDATE users SET password_hash = ?, salt = ? WHERE username = ?").run(X,Y,"admin"),$.prepare("INSERT OR REPLACE INTO settings (key, value) VALUES ('admin_password', ?)").run(W),console.log(`
  Admin password regenerated:`)}}console.log("  Username: admin"),console.log(`  Password: ${W}`),console.log(`  (set ADMIN_PASSWORD env var on first run to use a custom password)
`)}function vJ($){if(!$.prepare("SELECT value FROM settings WHERE key = 'unified_api_key'").get()){let Q=`freellmapi-${Z.randomBytes(24).toString("hex")}`;$.prepare("INSERT INTO settings (key, value) VALUES ('unified_api_key', ?)").run(Q),console.log(`
  Your unified API key: ${Q}
`)}}function Q0(){return A().prepare("SELECT value FROM settings WHERE key = 'unified_api_key'").get().value}function Q1(){let $=A(),J=`freellmapi-${Z.randomBytes(24).toString("hex")}`;return $.prepare("UPDATE settings SET value = ? WHERE key = 'unified_api_key'").run(J),J}class s{async fetchWithTimeout($,J,Q=15000){let W=new AbortController,G=setTimeout(()=>W.abort(),Q);try{return await fetch($,{...J,signal:W.signal})}finally{clearTimeout(G)}}makeId(){return`chatcmpl-${Date.now()}-${Math.random().toString(36).slice(2,8)}`}}var U0="https://generativelanguage.googleapis.com/v1beta";function W1($){try{let J=JSON.parse($);if(J&&typeof J==="object"&&!Array.isArray(J))return J;return{value:J}}catch{return{value:$}}}function DJ($){if(typeof $==="string")return $;return JSON.stringify($??{})}function G1($){let J=($??"").toUpperCase();if(!J)return"stop";if(J==="MAX_TOKENS")return"length";if(J==="SAFETY"||J==="RECITATION"||J==="BLOCKLIST"||J==="PROHIBITED_CONTENT"||J==="SPII")return"content_filter";return"stop"}function X1($){if(!$||$.length===0)return;return[{functionDeclarations:$.map((J)=>({name:J.function.name,description:J.function.description,parameters:J.function.parameters}))}]}function Y1($){if(!$)return;if(typeof $==="string")return{functionCallingConfig:{mode:$==="none"?"NONE":$==="required"?"ANY":"AUTO"}};return{functionCallingConfig:{mode:"ANY",allowedFunctionNames:[$.function.name]}}}function H1($){let J=$.filter((G)=>G.role==="system"&&typeof G.content==="string"&&G.content.length>0).map((G)=>G.content),Q=new Map;for(let G of $)for(let Y of G.tool_calls??[])Q.set(Y.id,Y.function.name);return{contents:$.filter((G)=>G.role!=="system").map((G)=>{if(G.role==="assistant"){let Y=[];if(typeof G.content==="string"&&G.content.length>0)Y.push({text:G.content});for(let X of G.tool_calls??[])Y.push({thoughtSignature:X.thought_signature,functionCall:{id:X.id,name:X.function.name,args:W1(X.function.arguments)}});if(Y.length===0)return null;return{role:"model",parts:Y}}if(G.role==="tool"){let Y=G.tool_call_id;if(!Y)return null;let X=G.name??Q.get(Y)??"tool",H=W1(typeof G.content==="string"?G.content:"");return{role:"user",parts:[{functionResponse:{id:Y,name:X,response:H}}]}}return{role:"user",parts:[{text:typeof G.content==="string"?G.content:""}]}}).filter((G)=>G!==null),systemInstruction:J.length>0?{parts:[{text:J.join(`

`)}]}:void 0}}function _1($){let J=[];if(!$)return J;let Q=0;for(let W of $){if(!W.functionCall?.name)continue;let G=W.functionCall.id??`call_${Date.now()}_${Q++}`;J.push({id:G,type:"function",function:{name:W.functionCall.name,arguments:DJ(W.functionCall.args)},thought_signature:W.thoughtSignature})}return J}function M1($){if(!$)return null;let J=$.map((Q)=>Q.text??"").join("");return J.length>0?J:null}class L0 extends s{platform="google";name="Google AI Studio";async chatCompletion($,J,Q,W){let{contents:G,systemInstruction:Y}=H1(J),X={contents:G,generationConfig:{temperature:W?.temperature,maxOutputTokens:W?.max_tokens,topP:W?.top_p},tools:X1(W?.tools),toolConfig:Y1(W?.tool_choice)};if(Y)X.systemInstruction=Y;let H=`${U0}/models/${Q}:generateContent?key=${$}`,_=await this.fetchWithTimeout(H,{method:"POST",headers:{"Content-Type":"application/json"},body:JSON.stringify(X)});if(!_.ok){let g=await _.json().catch(()=>({}));throw Error(`Google API error ${_.status}: ${g.error?.message??_.statusText}`)}let M=await _.json(),O=M.candidates?.[0],R=O?.content?.parts,D=_1(R),f=M1(R),K={prompt_tokens:M.usageMetadata?.promptTokenCount??0,completion_tokens:M.usageMetadata?.candidatesTokenCount??0,total_tokens:M.usageMetadata?.totalTokenCount??0};return{id:this.makeId(),object:"chat.completion",created:Math.floor(Date.now()/1000),model:Q,choices:[{index:0,message:{role:"assistant",content:f,...D.length>0?{tool_calls:D}:{}},finish_reason:D.length>0?"tool_calls":G1(O?.finishReason)}],usage:K,_routed_via:{platform:"google",model:Q}}}async*streamChatCompletion($,J,Q,W){let{contents:G,systemInstruction:Y}=H1(J),X={contents:G,generationConfig:{temperature:W?.temperature,maxOutputTokens:W?.max_tokens,topP:W?.top_p},tools:X1(W?.tools),toolConfig:Y1(W?.tool_choice)};if(Y)X.systemInstruction=Y;let H=`${U0}/models/${Q}:streamGenerateContent?alt=sse&key=${$}`,_=await this.fetchWithTimeout(H,{method:"POST",headers:{"Content-Type":"application/json"},body:JSON.stringify(X)});if(!_.ok){let T=await _.json().catch(()=>({}));throw Error(`Google API error ${_.status}: ${T.error?.message??_.statusText}`)}let M=_.body?.getReader();if(!M)throw Error("No response body");let O=new TextDecoder,R=this.makeId(),D="",f=!1,K=!1,g=new Set;while(!0){let{done:T,value:A$}=await M.read();if(T)break;D+=O.decode(A$,{stream:!0});let s$=D.split(`
`);D=s$.pop()??"";for(let W$ of s$){let G$=W$.trim();if(!G$||!G$.startsWith("data: "))continue;let e$=G$.slice(6);if(e$==="[DONE]"){if(!f)f=!0,yield{id:R,object:"chat.completion.chunk",created:Math.floor(Date.now()/1000),model:Q,choices:[{index:0,delta:{},finish_reason:K?"tool_calls":"stop"}]};return}let O$=JSON.parse(e$).candidates?.[0],V$=O$?.content?.parts??[],w=M1(V$),L=_1(V$).filter((b)=>{let i=`${b.id}:${b.function.name}:${b.function.arguments}`;if(g.has(i))return!1;return g.add(i),!0});if(w&&w.length>0||L.length>0)K=K||L.length>0,yield{id:R,object:"chat.completion.chunk",created:Math.floor(Date.now()/1000),model:Q,choices:[{index:0,delta:{...w?{content:w}:{},...L.length>0?{tool_calls:L}:{}},finish_reason:null}]};if(O$?.finishReason&&!f){f=!0,yield{id:R,object:"chat.completion.chunk",created:Math.floor(Date.now()/1000),model:Q,choices:[{index:0,delta:{},finish_reason:K?"tool_calls":G1(O$.finishReason)}]};return}}}if(!f)yield{id:R,object:"chat.completion.chunk",created:Math.floor(Date.now()/1000),model:Q,choices:[{index:0,delta:{},finish_reason:K?"tool_calls":"stop"}]}}async validateKey($){let J=await this.fetchWithTimeout(`${U0}/models?key=${$}`,{method:"GET"},1e4);return J.status!==401&&J.status!==403}}class d extends s{platform;name;baseUrl;extraHeaders;validateUrl;timeoutMs;constructor($){super();this.platform=$.platform,this.name=$.name,this.baseUrl=$.baseUrl,this.extraHeaders=$.extraHeaders??{},this.validateUrl=$.validateUrl,this.timeoutMs=$.timeoutMs??15000}async chatCompletion($,J,Q,W){let G=await this.fetchWithTimeout(`${this.baseUrl}/chat/completions`,{method:"POST",headers:{Authorization:`Bearer ${$}`,"Content-Type":"application/json",...this.extraHeaders},body:JSON.stringify({model:Q,messages:J,temperature:W?.temperature,max_tokens:W?.max_tokens,top_p:W?.top_p,tools:W?.tools,tool_choice:W?.tool_choice,parallel_tool_calls:W?.parallel_tool_calls})},this.timeoutMs);if(!G.ok){let X=await G.json().catch(()=>({}));throw Error(`${this.name} API error ${G.status}: ${X.error?.message??G.statusText}`)}let Y=await G.json();return fJ(Y),Y._routed_via={platform:this.platform,model:Q},Y}async*streamChatCompletion($,J,Q,W){let G=await this.fetchWithTimeout(`${this.baseUrl}/chat/completions`,{method:"POST",headers:{Authorization:`Bearer ${$}`,"Content-Type":"application/json",...this.extraHeaders},body:JSON.stringify({model:Q,messages:J,temperature:W?.temperature,max_tokens:W?.max_tokens,top_p:W?.top_p,tools:W?.tools,tool_choice:W?.tool_choice,parallel_tool_calls:W?.parallel_tool_calls,stream:!0})},this.timeoutMs);if(!G.ok){let _=await G.json().catch(()=>({}));throw Error(`${this.name} API error ${G.status}: ${_.error?.message??G.statusText}`)}let Y=G.body?.getReader();if(!Y)throw Error("No response body");let X=new TextDecoder,H="";while(!0){let{done:_,value:M}=await Y.read();if(_)break;H+=X.decode(M,{stream:!0});let O=H.split(`
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    `).run($,J,Q,W,G,Y,X)}catch(H){console.error("Failed to log request:",H)}}async function s1($,J){let W=new URL($.url).pathname,G=Date.now();if(W==="/v1/models"&&$.method==="GET"){let X=A().prepare("SELECT platform, model_id, display_name, context_window FROM models WHERE enabled = 1 ORDER BY intelligence_rank").all();return new Response(JSON.stringify({object:"list",data:X.map((H)=>({id:H.model_id,object:"model",created:0,owned_by:H.platform,name:H.display_name,context_window:H.context_window}))}),{headers:{"Content-Type":"application/json"}})}if(W==="/v1/chat/completions"&&$.method==="POST"){let Y=$.headers.get("authorization"),X=$.headers.get("x-forwarded-for")??$.headers.get("x-real-ip")??"unknown";if(Y&&!(X==="127.0.0.1"||X==="::1"||X==="::ffff:127.0.0.1")){let w=Y.replace(/^Bearer\s+/i,""),L=Q0();if(w!==L)return new Response(JSON.stringify({error:{message:"Invalid API key",type:"authentication_error"}}),{status:401,headers:{"Content-Type":"application/json"}})}let _;try{_=await $.json()}catch{return new Response(JSON.stringify({error:{message:"Invalid JSON",type:"invalid_request_error"}}),{status:400,headers:{"Content-Type":"application/json"}})}let M=W6.safeParse(_);if(!M.success)return new Response(JSON.stringify({error:{message:`Invalid request: ${M.error.errors.map((w)=>w.message).join(", ")}`,type:"invalid_request_error"}}),{status:400,headers:{"Content-Type":"application/json"}});let{model:O,temperature:R,max_tokens:D,top_p:f,stream:K,tools:g,tool_choice:T,parallel_tool_calls:A$,messages:s$}=M.data,W$=s$.map((w)=>{if(w.role==="assistant")return{role:"assistant",content:w.content??null,...w.name?{name:w.name}:{},...w.tool_calls?{tool_calls:w.tool_calls}:{}};if(w.role==="tool")return{role:"tool",content:w.content,tool_call_id:w.tool_call_id,...w.name?{name:w.name}:{}};return{role:w.role,content:w.content,...w.name?{name:w.name}:{}}}),G$=W$.reduce((w,L)=>{if(typeof L.content!=="string")return w;return w+Math.ceil(L.content.length/4)},0),e$=G$+(D??1000),c$;if(O){let w=A().prepare("SELECT id FROM models WHERE model_id = ? AND enabled = 1").get(O);if(w)c$=w.id}if(c$===void 0)c$=r4(W$);let O$=new Set,V$=null;for(let w=0;w<T0;w++){let L;try{L=n1(e$,O$.size>0?O$:void 0,c$)}catch(b){if(V$)return new Response(JSON.stringify({error:{message:`All models rate-limited. Last error: ${V$.message}`,type:"rate_limit_error"}}),{status:429,headers:{"Content-Type":"application/json"}});else return new Response(JSON.stringify({error:{message:b.message,type:"routing_error"}}),{status:b.status??503,headers:{"Content-Type":"application/json"}})}x1(L.platform,L.modelId,L.keyId);try{if(K){let b=L.provider.streamChatCompletion(L.apiKey,W$,L.modelId,{temperature:R,max_tokens:D,top_p:f,tools:g,tool_choice:T,parallel_tool_calls:A$}),i=0,O0=new ReadableStream({async pull($0){try{let{value:V0,done:YJ}=await b.next();if(YJ){let MJ=new TextEncoder().encode(`data: [DONE]

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`;$0.enqueue(new TextEncoder().encode(_J))}catch(V0){$0.error(V0)}}});return new Response(O0,{headers:{"Content-Type":"text/event-stream","Cache-Control":"no-cache",Connection:"keep-alive","X-Routed-Via":`${L.platform}/${L.modelId}`,...w>0?{"X-Fallback-Attempts":String(w)}:{}}})}else{let b=await L.provider.chatCompletion(L.apiKey,W$,L.modelId,{temperature:R,max_tokens:D,top_p:f,tools:g,tool_choice:T,parallel_tool_calls:A$}),i=b.usage?.total_tokens??0;return h0(L.platform,L.modelId,L.keyId,i),g0(L.modelDbId),r1(W$,L.modelDbId),x0(L.platform,L.modelId,"success",b.usage?.prompt_tokens??0,b.usage?.completion_tokens??0,Date.now()-G,null),new Response(JSON.stringify(b),{headers:{"Content-Type":"application/json","X-Routed-Via":`${L.platform}/${L.modelId}`,...w>0?{"X-Fallback-Attempts":String(w)}:{}}})}}catch(b){let i=Date.now()-G;if(x0(L.platform,L.modelId,"error",G$,0,i,b.message),G6(b)){let O0=`${L.platform}:${L.modelId}:${L.keyId}`;O$.add(O0),Z1(L.platform,L.modelId,L.keyId,120000),m1(L.modelDbId),V$=b,console.log(`[Proxy] ${b.message.slice(0,60)} from ${L.displayName}, falling back (attempt ${w+1}/${T0})`);continue}return new Response(JSON.stringify({error:{message:`Provider error (${L.displayName}): ${b.message}`,type:"provider_error"}}),{status:502,headers:{"Content-Type":"application/json"}})}}return new Response(JSON.stringify({error:{message:`All models rate-limited after ${T0} attempts. Last: ${V$?.message}`,type:"rate_limit_error"}}),{status:429,headers:{"Content-Type":"application/json"}})}return new Response("Not Found",{status:404})}function t$($){let J=$.headers.get("Authorization");if(!J||!J.startsWith("Bearer "))return{ok:!1,response:j({error:{message:"Authentication required"}},401)};let Q=J.slice(7).trim();if(!Q)return{ok:!1,response:j({error:{message:"Authentication required"}},401)};let G=A().prepare(`
    SELECT s.user_id, u.username FROM sessions s
    JOIN users u ON s.user_id = u.id
    WHERE s.token = ? AND s.expires_at > datetime('now')
  `).get(Q);if(!G)return{ok:!1,response:j({error:{message:"Invalid or expired session"}},401)};return{ok:!0,user:{id:G.user_id,username:G.username}}}import q$ from"crypto";async function e1($,J){let Q=J.pathname;if(Q==="/api/auth/login"&&$.method==="POST")try{let W=await f0($),{username:G,password:Y}=W;if(!G||!Y)return j({error:{message:"Username and password required"}},400);let X=A(),H=X.prepare("SELECT * FROM users WHERE username = ?").get(G);if(!H)return j({error:{message:"Invalid credentials"}},401);if(q$.pbkdf2Sync(Y,H.salt,1e5,64,"sha512").toString("hex")!==H.password_hash)return j({error:{message:"Invalid credentials"}},401);let M=q$.randomBytes(32).toString("hex"),O=new Date(Date.now()+604800000).toISOString();return X.prepare("INSERT INTO sessions (user_id, token, expires_at) VALUES (?, ?, ?)").run(H.id,M,O),j({user:{id:H.id,username:H.username},token:M,expiresAt:O})}catch(W){return j({error:{message:W.message}},400)}if(Q==="/api/auth/me"&&$.method==="GET"){let W=t$($);if(!W.ok)return W.response;return j({user:W.user})}if(Q==="/api/auth/logout"&&$.method==="POST"){let W=$.headers.get("Authorization");if(W?.startsWith("Bearer ")){let G=W.slice(7).trim();if(G)A().prepare("DELETE FROM sessions WHERE token = ?").run(G)}return j({success:!0})}if(Q==="/api/auth/change-password"&&$.method==="POST"){let W=t$($);if(!W.ok)return W.response;try{let G=await f0($),{currentPassword:Y,newPassword:X}=G;if(!Y||!X)return j({error:{message:"Current password and new password required"}},400);if(X.length<6)return j({error:{message:"New password must be at least 6 characters"}},400);let H=A(),_=H.prepare("SELECT * FROM users WHERE id = ?").get(W.user.id);if(q$.pbkdf2Sync(Y,_.salt,1e5,64,"sha512").toString("hex")!==_.password_hash)return j({error:{message:"Current password is incorrect"}},401);let O=q$.randomBytes(16).toString("hex"),R=q$.pbkdf2Sync(X,O,1e5,64,"sha512").toString("hex");H.prepare("UPDATE users SET password_hash = ?, salt = ? WHERE id = ?").run(R,O,W.user.id);let f=$.headers.get("Authorization").slice(7).trim();return H.prepare("DELETE FROM sessions WHERE user_id = ? AND token != ?").run(W.user.id,f),j({success:!0})}catch(G){return j({error:{message:G.message}},400)}}return new Response("Not Found",{status:404})}var $J={google:"Google AI Studio",groq:"Groq",cerebras:"Cerebras",sambanova:"SambaNova",nvidia:"NVIDIA NIM",mistral:"Mistral",openrouter:"OpenRouter",github:"GitHub Models",cohere:"Cohere",cloudflare:"Cloudflare Workers AI",zhipu:"Zhipu AI (Z.ai)"};async function JJ($,J){let Q=A(),W=Q.prepare("SELECT DISTINCT platform FROM models").all(),G=Q.prepare("SELECT DISTINCT platform FROM api_keys").all(),Y=new Set,X=[];for(let H of[...W,...G])if(!Y.has(H.platform))Y.add(H.platform),X.push({value:H.platform,label:$J[H.platform]??H.platform});for(let[H,_]of Object.entries($J))if(!Y.has(H))X.push({value:H,label:_});return X.sort((H,_)=>H.value.localeCompare(_.value)),j(X)}import t from"path";import M0 from"fs";var X6={".html":"text/html",".js":"application/javascript",".mjs":"application/javascript",".css":"text/css",".json":"application/json",".png":"image/png",".jpg":"image/jpeg",".jpeg":"image/jpeg",".gif":"image/gif",".svg":"image/svg+xml",".ico":"image/x-icon",".woff":"font/woff",".woff2":"font/woff2",".ttf":"font/ttf",".eot":"application/vnd.ms-fontobject",".txt":"text/plain"};function QJ($){return async function(J){let W=new URL(J.url).pathname;if(W.startsWith("/api/")||W.startsWith("/v1/"))return null;try{let G;if(W==="/")G=t.join($,"index.html");else{let M=W.startsWith("/")?W.slice(1):W;G=t.join($,M)}if(!t.resolve(G).startsWith(t.resolve($)))return null;if(!M0.existsSync(G))if(t.extname(G)==="")G=t.join($,"index.html");else return null;if(!M0.existsSync(G))return null;if(!M0.statSync(G).isFile())return null;let H=t.extname(G).toLowerCase(),_=X6[H]??"application/octet-stream";return new Response(Bun.file(G),{headers:{"Content-Type":_,"Cache-Control":"public, max-age=31536000, immutable"}})}catch(G){return console.error("[Static] Error:",G),null}}}import B0 from"path";import{fileURLToPath as Y6}from"url";import WJ from"fs";var Z0=parseInt(process.env.PORT??"3001"),y0=process.env.HOST??"0.0.0.0",H6=import.meta.url.startsWith("file:")?Y6(import.meta.url):import.meta.url,XJ=B0.dirname(H6),l0=B0.join(XJ,"data","freeapi.db"),_6=B0.join(XJ,"web"),GJ=B0.dirname(l0);if(!WJ.existsSync(GJ))WJ.mkdirSync(GJ,{recursive:!0});async function M6(){await L1(l0),await J1(l0);let $=Bun.serve({port:Z0,hostname:y0,async fetch(J){let Q=new URL(J.url),W=Q.pathname;if(J.method==="OPTIONS")return new Response(null,{status:204,headers:{"Access-Control-Allow-Origin":J.headers.get("origin")??"*","Access-Control-Allow-Methods":"GET, POST, PUT, DELETE, OPTIONS","Access-Control-Allow-Headers":"Content-Type, Authorization, X-Requested-With","Access-Control-Allow-Credentials":"true"}});if(W.startsWith("/api/auth/")){let X=await e1(J,Q);return p(J,X)}if(W.startsWith("/api/")&&W!=="/api/ping"){let X=t$(J);if(!X.ok)return p(J,X.response)}if(W.startsWith("/api/keys")){let X=await b1(J,Q);return p(J,X)}if(W.startsWith("/api/models")){let X=await k1(J,Q);return p(J,X)}if(W.startsWith("/api/fallback")){let X=await p1(J,Q);return p(J,X)}if(W.startsWith("/api/analytics")){let X=await i1(J,Q);return p(J,X)}if(W.startsWith("/api/health")){let X=await d1(J,Q);return p(J,X)}if(W.startsWith("/api/settings")){let X=await o1(J,Q);return p(J,X)}if(W==="/api/platforms"){let X=await JJ(J,Q);return p(J,X)}if(W.startsWith("/v1")){let X=await s1(J,Q);return p(J,X)}if(W==="/api/ping")return p(J,B6(J));let Y=await QJ(_6)(J);if(Y)return Y;return new Response("Not Found",{status:404})},error(J){return console.error("[Server Error]",J),new Response(JSON.stringify({error:{message:J.message,type:"server_error"}}),{status:500,headers:{"Content-Type":"application/json"}})}});console.log(`
  Encryption key: ${d0()}
`),console.log(`Server running on http://${y0}:${Z0}`),console.log(`Proxy endpoint: http://${y0}:${Z0}/v1/chat/completions`),V1(),S1()}M6().catch(console.error);function p($,J){let Q=$.headers.get("origin"),W=new Headers(J.headers);if(Q)W.set("Access-Control-Allow-Origin",Q);return W.set("Access-Control-Allow-Methods","GET, POST, PUT, DELETE, OPTIONS"),W.set("Access-Control-Allow-Headers","Content-Type, Authorization, X-Requested-With"),W.set("Access-Control-Allow-Credentials","true"),new Response(J.body,{status:J.status,statusText:J.statusText,headers:W})}function B6($){let J={status:"ok",timestamp:new Date().toISOString(),clientInfo:{method:$.method,url:$.url,path:new URL($.url).pathname,query:Object.fromEntries(new URL($.url).searchParams),clientIP:$.headers.get("x-forwarded-for")??$.headers.get("x-real-ip")??"unknown",userAgent:$.headers.get("user-agent")??"",clientHost:$.headers.get("host")??"",referer:$.headers.get("referer")??"",origin:$.headers.get("origin")??""},serverInfo:{timestamp:new Date().toISOString(),uptime:process.uptime(),memoryUsage:process.memoryUsage(),bunVersion:Bun.version,pid:process.pid}};return console.log(`
=== CLIENT CONNECTION DEBUG ===`),console.log(`Timestamp: ${J.timestamp}`),console.log(`Client IP: ${J.clientInfo.clientIP}`),console.log(`User Agent: ${J.clientInfo.userAgent}`),console.log(`Request URL: ${J.clientInfo.url}`),console.log(`=== END DEBUG ===
`),new Response(JSON.stringify(J),{headers:{"Content-Type":"application/json"}})}