| const token = 'jzP1DfT7dlWGJ/h4imBWbVB6zGdYLBWB0hRqne6WxMFGFarEPkfj7MRcOiw3inKj'; |
|
|
| |
| const RC = [ |
| 0x0000000000000001n, 0x0000000000008082n, 0x800000000000808an, 0x8000000080008000n, |
| 0x000000000000808bn, 0x0000000080000001n, 0x8000000080008081n, 0x8000000000008009n, |
| 0x000000000000008an, 0x0000000000000088n, 0x0000000080008009n, 0x000000008000000an, |
| 0x000000008000808bn, 0x800000000000008bn, 0x8000000000008089n, 0x8000000000008003n, |
| 0x8000000000008002n, 0x8000000000000080n, 0x000000000000800an, 0x800000008000000an, |
| 0x8000000080008081n, 0x8000000000008080n, 0x0000000080000001n, 0x8000000080008008n, |
| ]; |
| const MASK = 0xffffffffffffffffn; |
| const RATE = 136; |
|
|
| function rotl64(v, k) { return ((v << BigInt(k)) | (v >> BigInt(64 - k))) & MASK; } |
| function keccakF23(s) { |
| let a = s.slice(); |
| for (let r = 1; r < 24; r++) { |
| const c = [a[0]^a[5]^a[10]^a[15]^a[20], a[1]^a[6]^a[11]^a[16]^a[21], a[2]^a[7]^a[12]^a[17]^a[22], |
| a[3]^a[8]^a[13]^a[18]^a[23], a[4]^a[9]^a[14]^a[19]^a[24]]; |
| const d = [c[4]^rotl64(c[1],1), c[0]^rotl64(c[2],1), c[1]^rotl64(c[3],1), c[2]^rotl64(c[4],1), c[3]^rotl64(c[0],1)]; |
| for (let i = 0; i < 25; i++) a[i] = (a[i] ^ d[i%5]) & MASK; |
| const b = new Array(25); |
| b[0]=a[0];b[10]=rotl64(a[1],1);b[20]=rotl64(a[2],62);b[5]=rotl64(a[3],28);b[15]=rotl64(a[4],27); |
| b[16]=rotl64(a[5],36);b[1]=rotl64(a[6],44);b[11]=rotl64(a[7],6);b[21]=rotl64(a[8],55);b[6]=rotl64(a[9],20); |
| b[7]=rotl64(a[10],3);b[17]=rotl64(a[11],10);b[2]=rotl64(a[12],43);b[12]=rotl64(a[13],25);b[22]=rotl64(a[14],39); |
| b[23]=rotl64(a[15],41);b[8]=rotl64(a[16],45);b[18]=rotl64(a[17],15);b[3]=rotl64(a[18],21);b[13]=rotl64(a[19],8); |
| b[14]=rotl64(a[20],18);b[24]=rotl64(a[21],2);b[9]=rotl64(a[22],61);b[19]=rotl64(a[23],56);b[4]=rotl64(a[24],14); |
| for (let y = 0; y < 5; y++) { |
| const t = [b[y*5], b[y*5+1], b[y*5+2], b[y*5+3], b[y*5+4]]; |
| for (let x = 0; x < 5; x++) a[y*5+x] = (t[x] ^ ((t[(x+1)%5] ^ MASK) & t[(x+2)%5])) & MASK; |
| } |
| a[0] = (a[0] ^ RC[r]) & MASK; |
| } |
| for (let i = 0; i < 25; i++) s[i] = a[i]; |
| } |
| function readU64LE(buf, off) { let v = 0n; for (let i = 0; i < 8; i++) v |= BigInt(buf[off + i]) << BigInt(i * 8); return v & MASK; } |
| function writeU64LE(val, buf, off) { const v = val & MASK; for (let i = 0; i < 8; i++) buf[off + i] = Number((v >> BigInt(i * 8)) & 0xffn); } |
|
|
| function deepSeekHashV1(data) { |
| const s = new Array(25).fill(0n); |
| const buf = Buffer.from(data); |
| let off = 0; |
| while (off + RATE <= buf.length) { for (let i = 0; i < RATE / 8; i++) s[i] = (s[i] ^ readU64LE(buf, off + i * 8)) & MASK; keccakF23(s); off += RATE; } |
| const tail = Buffer.alloc(RATE); buf.copy(tail, 0, off); tail[buf.length - off] = 0x06; tail[RATE - 1] |= 0x80; |
| for (let i = 0; i < RATE / 8; i++) s[i] = (s[i] ^ readU64LE(tail, i * 8)) & MASK; keccakF23(s); |
| const out = Buffer.alloc(32); for (let i = 0; i < 4; i++) writeU64LE(s[i], out, i * 8); return out; |
| } |
|
|
| function solvePow(challengeHex, salt, expireAt, difficulty) { |
| const target = Buffer.from(challengeHex, 'hex'); |
| const prefix = `${salt}_${expireAt}_`; |
| console.log('Solving PoW, prefix:', prefix); |
| const t0 = Date.now(); |
| for (let n = 0; n < difficulty; n++) { |
| const hash = deepSeekHashV1(prefix + n.toString()); |
| if (hash.equals(target)) { |
| console.log('Found nonce:', n, 'in', Date.now() - t0, 'ms'); |
| return n; |
| } |
| } |
| throw new Error('PoW failed'); |
| } |
|
|
| async function test() { |
| |
| const r1 = await fetch('https://chat.deepseek.com/api/v0/chat/create_pow_challenge', { |
| method: 'POST', |
| headers: { |
| 'content-type': 'application/json', |
| 'authorization': 'Bearer ' + token, |
| 'x-app-version': '2.0.0', |
| 'x-client-version': '2.0.0', |
| 'x-client-platform': 'web', |
| }, |
| body: JSON.stringify({ target_path: '/api/v0/chat/completion' }), |
| }); |
| const j1 = await r1.json(); |
| const c = j1.data.biz_data.challenge; |
| console.log('Challenge:', c.challenge.slice(0, 20), 'difficulty:', c.difficulty); |
|
|
| |
| const answer = solvePow(c.challenge, c.salt, c.expire_at, c.difficulty); |
| const powResponse = Buffer.from(JSON.stringify({ |
| algorithm: c.algorithm, |
| challenge: c.challenge, |
| salt: c.salt, |
| answer: answer, |
| signature: c.signature, |
| target_path: c.target_path, |
| })).toString('base64'); |
| console.log('PoW b64 (first 50):', powResponse.slice(0, 50)); |
|
|
| |
| const decoded = JSON.parse(Buffer.from(powResponse, 'base64').toString()); |
| console.log('Decoded challenge matches:', decoded.challenge === c.challenge); |
| console.log('Decoded answer:', decoded.answer); |
|
|
| |
| const r2 = await fetch('https://chat.deepseek.com/api/v0/chat_session/create', { |
| method: 'POST', |
| headers: { |
| 'content-type': 'application/json', |
| 'authorization': 'Bearer ' + token, |
| 'x-app-version': '2.0.0', |
| 'x-client-version': '2.0.0', |
| 'x-client-platform': 'web', |
| }, |
| body: JSON.stringify({}), |
| }); |
| const j2 = await r2.json(); |
| const sid = j2.data.biz_data.chat_session.id; |
| console.log('Session:', sid); |
|
|
| |
| const r3 = await fetch('https://chat.deepseek.com/api/v0/chat/completion', { |
| method: 'POST', |
| headers: { |
| 'content-type': 'application/json', |
| 'authorization': 'Bearer ' + token, |
| 'x-ds-pow-response': powResponse, |
| 'x-app-version': '2.0.0', |
| 'x-client-version': '2.0.0', |
| 'x-client-platform': 'web', |
| 'x-client-locale': 'zh_CN', |
| 'accept': 'text/event-stream', |
| }, |
| body: JSON.stringify({ |
| chat_session_id: sid, |
| parent_message_id: null, |
| model_type: 'default', |
| prompt: '1+1=?', |
| ref_file_ids: [], |
| thinking_enabled: false, |
| search_enabled: false, |
| preempt: false, |
| }), |
| }); |
| console.log('Status:', r3.status); |
| console.log('CT:', r3.headers.get('content-type')); |
| const text = await r3.text(); |
| console.log('Response:', text.slice(0, 800)); |
| } |
|
|
| test().catch(e => console.error('Error:', e.message)); |
|
|
