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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| "use server"; | ||
| import * as crypto from "node:crypto"; | ||
| // 使用 SHA-256 和 secret 进行 HMAC 加密 | ||
| function sha256(message: any, secret = "", encoding?: string) { | ||
| return crypto | ||
| .createHmac("sha256", secret) | ||
| .update(message) | ||
| .digest(encoding as any); | ||
| } | ||
|
|
||
| // 使用 SHA-256 进行哈希 | ||
| function getHash(message: any, encoding = "hex") { | ||
| return crypto | ||
| .createHash("sha256") | ||
| .update(message) | ||
| .digest(encoding as any); | ||
| } | ||
|
|
||
| function getDate(timestamp: number) { | ||
| const date = new Date(timestamp * 1000); | ||
| const year = date.getUTCFullYear(); | ||
| const month = ("0" + (date.getUTCMonth() + 1)).slice(-2); | ||
| const day = ("0" + date.getUTCDate()).slice(-2); | ||
| return `${year}-${month}-${day}`; | ||
| } | ||
|
|
||
| export async function getHeader( | ||
| payload: any, | ||
| SECRET_ID: string, | ||
| SECRET_KEY: string, | ||
| ) { | ||
| // https://cloud.tencent.com/document/api/1729/105701 | ||
|
|
||
| const endpoint = "hunyuan.tencentcloudapi.com"; | ||
| const service = "hunyuan"; | ||
| const region = ""; // optional | ||
| const action = "ChatCompletions"; | ||
| const version = "2023-09-01"; | ||
| const timestamp = Math.floor(Date.now() / 1000); | ||
| //时间处理, 获取世界时间日期 | ||
| const date = getDate(timestamp); | ||
|
|
||
| // ************* 步骤 1：拼接规范请求串 ************* | ||
|
|
||
| const hashedRequestPayload = getHash(payload); | ||
| const httpRequestMethod = "POST"; | ||
| const contentType = "application/json"; | ||
| const canonicalUri = "/"; | ||
| const canonicalQueryString = ""; | ||
| const canonicalHeaders = | ||
| `content-type:${contentType}\n` + | ||
| "host:" + | ||
| endpoint + | ||
| "\n" + | ||
| "x-tc-action:" + | ||
| action.toLowerCase() + | ||
| "\n"; | ||
| const signedHeaders = "content-type;host;x-tc-action"; | ||
|
|
||
| const canonicalRequest = [ | ||
| httpRequestMethod, | ||
| canonicalUri, | ||
| canonicalQueryString, | ||
| canonicalHeaders, | ||
| signedHeaders, | ||
| hashedRequestPayload, | ||
| ].join("\n"); | ||
|
|
||
| // ************* 步骤 2：拼接待签名字符串 ************* | ||
| const algorithm = "TC3-HMAC-SHA256"; | ||
| const hashedCanonicalRequest = getHash(canonicalRequest); | ||
| const credentialScope = date + "/" + service + "/" + "tc3_request"; | ||
| const stringToSign = | ||
| algorithm + | ||
| "\n" + | ||
| timestamp + | ||
| "\n" + | ||
| credentialScope + | ||
| "\n" + | ||
| hashedCanonicalRequest; | ||
|
|
||
| // ************* 步骤 3：计算签名 ************* | ||
| const kDate = sha256(date, "TC3" + SECRET_KEY); | ||
| const kService = sha256(service, kDate); | ||
| const kSigning = sha256("tc3_request", kService); | ||
| const signature = sha256(stringToSign, kSigning, "hex"); | ||
|
|
||
| // ************* 步骤 4：拼接 Authorization ************* | ||
| const authorization = | ||
| algorithm + | ||
| " " + | ||
| "Credential=" + | ||
| SECRET_ID + | ||
| "/" + | ||
| credentialScope + | ||
| ", " + | ||
| "SignedHeaders=" + | ||
| signedHeaders + | ||
| ", " + | ||
| "Signature=" + | ||
| signature; | ||
|
|
||
| return { | ||
| Authorization: authorization, | ||
| "Content-Type": contentType, | ||
| Host: endpoint, | ||
| "X-TC-Action": action, | ||
| "X-TC-Timestamp": timestamp.toString(), | ||
| "X-TC-Version": version, | ||
| "X-TC-Region": region, | ||
| }; | ||
| } |