{"id":2750,"date":"2025-04-01T18:06:08","date_gmt":"2025-04-01T10:06:08","guid":{"rendered":"https:\/\/www.ruianding.com\/blog\/?p=2750"},"modified":"2026-02-07T15:10:29","modified_gmt":"2026-02-07T07:10:29","slug":"%e6%90%ad%e5%bb%ba%e8%87%aa%e5%b7%b1%e7%9a%84-sso-%e6%9c%8d%e5%8a%a1%e5%99%a8-part-2-%e5%ae%9e%e7%8e%b0%e9%95%bf%e6%9c%9f%e7%99%bb%e5%bd%95%ef%bc%88refresh-token%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.ruianding.com\/blog\/%e6%90%ad%e5%bb%ba%e8%87%aa%e5%b7%b1%e7%9a%84-sso-%e6%9c%8d%e5%8a%a1%e5%99%a8-part-2-%e5%ae%9e%e7%8e%b0%e9%95%bf%e6%9c%9f%e7%99%bb%e5%bd%95%ef%bc%88refresh-token%ef%bc%89\/","title":{"rendered":"\u642d\u5efa\u81ea\u5df1\u7684 SSO \u670d\u52a1\u5668 \u2013 Part 2: \u5b9e\u73b0\u957f\u671f\u767b\u5f55\uff08Refresh Token\uff09"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u5f15\u8a00<\/h2>\n\n\n\n<p>\u5728 <a href=\"https:\/\/www.ruianding.com\/blog\/%e6%90%ad%e5%bb%ba%e8%87%aa%e5%b7%b1%e7%9a%84-sso-%e6%9c%8d%e5%8a%a1%e5%99%a8-part-1%ef%bc%9a%e5%ae%9e%e7%8e%b0%e7%99%bb%e5%bd%95-%e8%ae%a4%e8%af%81-api\/\"><strong>\u7b2c\u4e00\u90e8\u5206<\/strong><\/a> \u4e2d\uff0c\u6211\u4eec\u6210\u529f\u5b9e\u73b0\u4e86 SSO \u670d\u52a1\u5668\u7684\u57fa\u672c\u767b\u5f55\u548c\u8ba4\u8bc1\u529f\u80fd\uff0c\u5141\u8bb8\u7528\u6237\u901a\u8fc7\u7528\u6237\u540d\u548c\u5bc6\u7801\u83b7\u53d6 Access Token\uff0c\u5e76\u4f7f\u7528\u8be5 Token \u8bbf\u95ee\u53d7\u4fdd\u62a4\u7684\u8d44\u6e90\u3002\u7136\u800c\uff0c\u76ee\u524d\u7684 Access Token \u6709\u6548\u671f\u4ec5\u4e3a 1 \u5c0f\u65f6\uff0c\u4e00\u65e6\u8fc7\u671f\uff0c\u7528\u6237\u5fc5\u987b\u91cd\u65b0\u767b\u5f55\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u548c\u5b89\u5168\u6027\uff0c\u6211\u4eec\u5c06\u5728\u672c\u90e8\u5206\u5b9e\u73b0 <strong>Refresh Token \u673a\u5236<\/strong>\uff0c\u5141\u8bb8\u7528\u6237\u5728 Access Token \u8fc7\u671f\u540e\uff0c\u65e0\u9700\u91cd\u65b0\u8f93\u5165\u7528\u6237\u540d\u548c\u5bc6\u7801\u5373\u53ef\u83b7\u53d6\u65b0\u7684 Token\u3002\u540c\u65f6\uff0c\u6211\u4eec\u8fd8\u5c06\u652f\u6301 <strong>Refresh Token \u7684\u540a\u9500\uff08Revoke\uff09<\/strong>\uff0c\u786e\u4fdd\u7528\u6237\u53ef\u4ee5\u5b89\u5168\u5730\u767b\u51fa\u6216\u7ba1\u7406\u5458\u53ef\u4ee5\u624b\u52a8\u7981\u7528\u67d0\u4e9b\u4f1a\u8bdd\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-cyan-bluish-gray-color has-alpha-channel-opacity has-cyan-bluish-gray-background-color has-background is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u73b0\u6709 Token \u673a\u5236\u7684\u95ee\u9898<\/h2>\n\n\n\n<p>\u76ee\u524d\uff0cAccess Token \u6709\u6548\u671f\u8bbe\u7f6e\u4e3a <strong>1 \u5c0f\u65f6<\/strong>\uff0c\u4f46\u5b58\u5728\u4ee5\u4e0b\u95ee\u9898\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7528\u6237\u9700\u8981\u9891\u7e41\u767b\u5f55<\/strong>\uff0c\u4f53\u9a8c\u8f83\u5dee\u3002<\/li>\n\n\n\n<li><strong>\u65e0\u6cd5\u624b\u52a8\u64a4\u9500 Access Token<\/strong>\uff0c\u4e00\u65e6\u6cc4\u9732\uff0c\u53ea\u80fd\u7b49\u5b83\u81ea\u7136\u8fc7\u671f\u3002<\/li>\n\n\n\n<li><strong>\u7f3a\u4e4f\u957f\u671f\u4f1a\u8bdd\u7ba1\u7406<\/strong>\uff0c\u5f53\u524d Token \u673a\u5236\u5e76\u4e0d\u80fd\u7ef4\u6301\u957f\u671f\u4f1a\u8bdd\u72b6\u6001\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u6211\u4eec\u5f15\u5165 <strong>Refresh Token \u673a\u5236<\/strong>\uff0c\u5b83\u4e3b\u8981\u89e3\u51b3\u4e86 <strong>\u7b2c 1 \u4e2a\u95ee\u9898<\/strong>\u2014\u2014\u51cf\u5c11\u7528\u6237\u9891\u7e41\u767b\u5f55\u7684\u9700\u6c42\u3002\u5bf9\u4e8e <strong>Token \u64a4\u9500\uff08\u7b2c 2 \u70b9\uff09<\/strong>\uff0c\u4ec5\u4ec5\u5f15\u5165 Refresh Token \u5e76\u4e0d\u80fd\u76f4\u63a5\u89e3\u51b3\uff0c\u4ecd\u7136\u9700\u8981\u914d\u5408\u5e94\u7528\u81ea\u8eab\u7684\u903b\u8f91\u6765\u7ba1\u7406 Token \u7684\u751f\u6548\u72b6\u6001\u3002<strong>\u4f1a\u8bdd\u7ba1\u7406\uff08\u7b2c 3 \u70b9\uff09<\/strong> \u4e5f\u662f\u4e00\u4e2a\u66f4\u5e7f\u6cdb\u7684\u95ee\u9898\uff0cRefresh Token \u53ea\u662f\u4f1a\u8bdd\u7ba1\u7406\u7684\u4e00\u90e8\u5206\uff0c\u5b8c\u6574\u7684\u4f1a\u8bdd\u7ba1\u7406\u901a\u5e38\u6d89\u53ca\u66f4\u591a\u673a\u5236\uff0c\u5982\u8bbe\u5907\u7ba1\u7406\u3001\u591a\u91cd\u8eab\u4efd\u9a8c\u8bc1\u7b49\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-cyan-bluish-gray-color has-alpha-channel-opacity has-cyan-bluish-gray-background-color has-background is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6570\u636e\u5e93\u6269\u5c55<\/h2>\n\n\n\n<p>\u4e3a\u4e86\u652f\u6301 Refresh Token\uff0c\u6211\u4eec\u9700\u8981\u5728\u6570\u636e\u5e93\u4e2d\u65b0\u589e <code>refresh_tokens<\/code> \u8868\uff0c\u5b58\u50a8 Refresh Token \u76f8\u5173\u4fe1\u606f\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">CREATE TABLE refresh_tokens (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    user_id INT NOT NULL,\n    token VARCHAR(64) UNIQUE NOT NULL,  -- \u5b58\u50a8 64 \u4f4d\u968f\u673a refresh token\n    expiry DATETIME NOT NULL,           -- \u8fc7\u671f\u65f6\u95f4\n    revoked BOOLEAN DEFAULT FALSE,      -- \u662f\u5426\u88ab\u64a4\u9500\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,\n    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE\n);<\/pre>\n\n\n\n<p><strong>\u5b57\u6bb5\u89e3\u6790\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>user_id<\/code>\uff1a\u5173\u8054 <code>users<\/code> \u8868\uff0c\u8868\u793a\u8be5 Refresh Token \u5c5e\u4e8e\u54ea\u4e2a\u7528\u6237\u3002<\/li>\n\n\n\n<li><code>token<\/code>\uff1a\u5b58\u50a8 Refresh Token \u672c\u8eab\u3002<\/li>\n\n\n\n<li><code>created_at<\/code>\uff1a\u8bb0\u5f55 Refresh Token \u521b\u5efa\u65f6\u95f4\u3002<\/li>\n\n\n\n<li><code>revoked<\/code>\uff1a\u6807\u8bb0\u8be5 Refresh Token \u662f\u5426\u88ab\u540a\u9500\uff0c\u9ed8\u8ba4 <code>FALSE<\/code>\uff08\u672a\u540a\u9500\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-cyan-bluish-gray-color has-alpha-channel-opacity has-cyan-bluish-gray-background-color has-background is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9e\u73b0 Refresh Token \u673a\u5236<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. \u767b\u5f55\u65f6\u5b58\u50a8 Refresh Token<\/strong><\/h3>\n\n\n\n<p>\u5728\u7528\u6237\u767b\u5f55\u6210\u529f\u540e\uff0c\u6211\u4eec\u751f\u6210 Access Token\uff081 \u5c0f\u65f6\u6709\u6548\uff09\u548c Refresh Token\uff087 \u5929\u6709\u6548\uff09\uff0c\u5e76\u5c06 Refresh Token \u5b58\u5165\u6570\u636e\u5e93\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><strong>2. \u4f7f\u7528 Refresh Token \u83b7\u53d6\u65b0\u7684 Access Token<\/strong><\/strong><\/h3>\n\n\n\n<p>\u7528\u6237\u4f7f\u7528 Refresh Token \u7533\u8bf7\u65b0\u7684 Access Token \u65f6\uff0c\u6211\u4eec\u9700\u8981\u68c0\u67e5\u8be5 Token \u662f\u5426\u5b58\u5728\u4e14\u672a\u88ab\u540a\u9500\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@app.route('\/login', methods=['POST'])\ndef token():\n    data = request.json\n    grant_type = data.get(\"grant_type\")\n\n    # --- \u767b\u5f55\u83b7\u53d6 token ---\n    if grant_type == \"password\":\n        username = data.get(\"username\")\n        password = data.get(\"password\")\n\n        cursor.execute(\"SELECT id, password_hash FROM users WHERE username = %s\", (username,))\n        user = cursor.fetchone()\n\n        if user and bcrypt.checkpw(password.encode(), user[1].encode()):\n            user_id = user[0]\n\n            access_token = generate_access_token(user_id)\n            refresh_token = generate_refresh_token(user_id)\n\n            return jsonify({\"access_token\": access_token, \"refresh_token\": refresh_token})\n\n        return jsonify({\"error\": \"Invalid username or password\"}), 401\n\n    # --- \u4f7f\u7528 refresh_token \u5237\u65b0 access_token ---\n    elif grant_type == \"refresh_token\":\n        refresh_token = data.get(\"refresh_token\")\n\n        if not refresh_token:\n            return jsonify({\"error\": \"Refresh token is required\"}), 400\n\n        cursor.execute(\"SELECT user_id, expiry, revoked FROM refresh_tokens WHERE token = %s\", (refresh_token,))\n        token_record = cursor.fetchone()\n\n        if not token_record:\n            return jsonify({\"error\": \"Invalid refresh token\"}), 401\n\n        user_id, expiry, revoked = token_record\n\n        if revoked:\n            return jsonify({\"error\": \"Refresh token has been revoked\"}), 401\n\n        if datetime.datetime.utcnow() > expiry:\n            return jsonify({\"error\": \"Refresh token has expired\"}), 401\n\n        new_access_token = generate_access_token(user_id)\n        return jsonify({\"access_token\": new_access_token})\n\n    return jsonify({\"error\": \"Invalid grant_type\"}), 400\n\n# \u751f\u6210 access token\ndef generate_access_token(user_id):\n    payload = {\n        \"user_id\": user_id,\n        \"exp\": datetime.datetime.utcnow() + datetime.timedelta(hours=app.config[\"ACCESS_TOKEN_EXPIRY_HOURS\"])\n    }\n    return jwt.encode(payload, app.config[\"SECRET_KEY\"], algorithm=\"HS256\")\n\n# \u751f\u6210 refresh token\uff08\u975e JWT\uff09\ndef generate_refresh_token(user_id):\n    refresh_token = secrets.token_hex(32)\n    expiry_time = datetime.datetime.utcnow() + datetime.timedelta(days=app.config[\"REFRESH_TOKEN_EXPIRY_DAYS\"])\n    cursor.execute(\"INSERT INTO refresh_tokens (user_id, token, expiry, revoked) VALUES (%s, %s, %s, %s)\", \n                   (user_id, refresh_token, expiry_time, False))\n    db.commit()\n    return refresh_token<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u65b0\u65e7\u4ee3\u7801\u5bf9\u6bd4<\/strong><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6539\u52a8\u70b9<\/th><th>\u65e7\u4ee3\u7801<\/th><th>\u65b0\u4ee3\u7801<\/th><\/tr><\/thead><tbody><tr><td><strong>\u63a5\u53e3\u8def\u5f84<\/strong><\/td><td><code>\/login<\/code><\/td><td><code>\/token<\/code><\/td><\/tr><tr><td><strong>\u8bf7\u6c42\u53c2\u6570<\/strong><\/td><td><code>username<\/code>\u3001<code>password<\/code><\/td><td><code>grant_type<\/code>\uff0c\u652f\u6301 <code>\"password\"<\/code> \u548c <code>\"refresh_token\"<\/code><\/td><\/tr><tr><td><strong>\u8fd4\u56de\u6570\u636e<\/strong><\/td><td><code>access_token (JWT)<\/code><\/td><td><code>access_token (JWT) + refresh_token (\u975e JWT)<\/code><\/td><\/tr><tr><td><strong>refresh_token \u5904\u7406<\/strong><\/td><td><strong>\u65e0 refresh_token<\/strong><\/td><td><code>refresh_token<\/code> \u5b58\u6570\u636e\u5e93\uff0c\u53ef\u5237\u65b0 access_token<\/td><\/tr><tr><td><strong>access_token \u751f\u6210<\/strong><\/td><td>JWT\uff0c\u5e26 <code>\"username\"<\/code><\/td><td>JWT\uff0c\u4ec5\u5b58 <code>\"user_id\"<\/code><\/td><\/tr><tr><td><strong>refresh_token \u7ed3\u6784<\/strong><\/td><td><strong>\u65e0<\/strong><\/td><td>\u751f\u6210 <strong>\u975e JWT<\/strong> \u968f\u673a\u5b57\u7b26\u4e32\uff0c\u5b58\u6570\u636e\u5e93<\/td><\/tr><tr><td><strong>\u6570\u636e\u5e93\u8868\u7ed3\u6784<\/strong><\/td><td>\u4ec5\u67e5\u8be2 <code>users<\/code><\/td><td>\u989d\u5916\u7ef4\u62a4 <code>refresh_tokens<\/code>\uff0c\u652f\u6301 token \u64a4\u9500\u548c\u8fc7\u671f<\/td><\/tr><tr><td><strong>\u9519\u8bef\u5904\u7406<\/strong><\/td><td>\u4ec5\u5904\u7406 <strong>\u767b\u5f55\u5931\u8d25<\/strong><\/td><td>\u989d\u5916\u5904\u7406 <strong>refresh_token \u8fc7\u671f\/\u64a4\u9500<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u5177\u4f53\u6539\u52a8\u70b9<\/strong><\/h4>\n\n\n\n<p><strong>1. \u6539\u7528 <code>\/token<\/code> \u7aef\u70b9\uff0c\u652f\u6301 <code>grant_type<\/code><\/strong><\/p>\n\n\n\n<p><strong>\u65e7\u4ee3\u7801<\/strong> \u53ea\u652f\u6301 <strong>\u7528\u6237\u540d\u5bc6\u7801\u767b\u5f55<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@app.route('\/login', methods=['POST'])\n<\/pre>\n\n\n\n<p><strong>\u65b0\u4ee3\u7801<\/strong> \u7edf\u4e00\u7528 <code>\/token<\/code> \u5904\u7406\u4e24\u79cd\u60c5\u51b5\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@app.route('\/token', methods=['POST'])\n<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>\"password\"<\/code> \u6a21\u5f0f\uff1a\u7528\u6237\u540d + \u5bc6\u7801\u767b\u5f55<\/li>\n\n\n\n<li><code>\"refresh_token\"<\/code> \u6a21\u5f0f\uff1a\u4f7f\u7528 <code>refresh_token<\/code> \u5237\u65b0 <code>access_token<\/code><\/li>\n<\/ul>\n\n\n\n<p><strong>2. \u751f\u6210 <code>refresh_token<\/code> \u5e76\u5b58\u6570\u636e\u5e93<\/strong><\/p>\n\n\n\n<p><strong>\u65e7\u4ee3\u7801<\/strong> \u6ca1\u6709 <code>refresh_token<\/code>\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">token_payload = {\n    \"user_id\": user[0],\n    \"username\": username,\n    \"exp\": datetime.datetime.utcnow() + datetime.timedelta(hours=1)\n}\ntoken = jwt.encode(token_payload, app.config[\"SECRET_KEY\"], algorithm=\"HS256\")\nreturn jsonify({\"access_token\": token})\n<\/pre>\n\n\n\n<p><strong>\u65b0\u4ee3\u7801<\/strong> \u589e\u52a0 <strong>refresh_token<\/strong> \u903b\u8f91\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">refresh_token = secrets.token_hex(32)  # \u751f\u6210\u968f\u673a\u5b57\u7b26\u4e32\nexpiry_time = datetime.datetime.utcnow() + datetime.timedelta(days=7)\ncursor.execute(\"INSERT INTO refresh_tokens (user_id, token, expiry, revoked) VALUES (%s, %s, %s, %s)\", \n               (user_id, refresh_token, expiry_time, False))\ndb.commit()\n\nreturn jsonify({\"access_token\": access_token, \"refresh_token\": refresh_token})\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. <code>access_token<\/code> \u7cbe\u7b80\uff0c\u4ec5\u5b58 <code>user_id<\/code><\/strong><\/h3>\n\n\n\n<p><strong>\u65e7\u4ee3\u7801<\/strong> \u989d\u5916\u5b58\u50a8 <code>\"username\"<\/code>\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">token_payload = {\n    \"user_id\": user[0],\n    \"username\": username,\n    \"exp\": datetime.datetime.utcnow() + datetime.timedelta(hours=1)\n}\n<\/pre>\n\n\n\n<p><strong>\u65b0\u4ee3\u7801<\/strong> \u53ea\u5b58 <code>user_id<\/code>\uff0c\u51cf\u5c11 JWT \u4f53\u79ef\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">token_payload = {\n    \"user_id\": user_id,\n    \"exp\": datetime.datetime.utcnow() + datetime.timedelta(hours=1)\n}\n<\/pre>\n\n\n\n<p><strong>4. \u5904\u7406 <code>refresh_token<\/code> \u903b\u8f91<\/strong><\/p>\n\n\n\n<p><strong>\u65e7\u4ee3\u7801<\/strong> \u6ca1\u6709 <code>refresh_token<\/code>\uff0c\u65e0\u6cd5\u7eed\u671f access_token<br><strong>\u65b0\u4ee3\u7801<\/strong> \u5904\u7406 <code>grant_type=\"refresh_token\"<\/code>\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">elif grant_type == \"refresh_token\":\n    refresh_token = data.get(\"refresh_token\")\n\n    cursor.execute(\"SELECT user_id, expiry, revoked FROM refresh_tokens WHERE token = %s\", (refresh_token,))\n    token_record = cursor.fetchone()\n\n    if not token_record:\n        return jsonify({\"error\": \"Invalid refresh token\"}), 401\n    if token_record[2]:  # revoked\n        return jsonify({\"error\": \"Refresh token has been revoked\"}), 401\n    if datetime.datetime.utcnow() > token_record[1]:  # expired\n        return jsonify({\"error\": \"Refresh token has expired\"}), 401\n\n    new_access_token = generate_access_token(token_record[0])\n    return jsonify({\"access_token\": new_access_token})\n<\/pre>\n\n\n\n<p><strong>5. \u65e7\u6570\u636e\u5e93\u7ed3\u6784\u8c03\u6574<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u65e7 <code>users<\/code> \u8868<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    username VARCHAR(255) UNIQUE NOT NULL,\n    password_hash VARCHAR(255) NOT NULL\n);\n<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u65b0 <code>refresh_tokens<\/code> \u8868<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">CREATE TABLE refresh_tokens (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    user_id INT NOT NULL,\n    token VARCHAR(64) UNIQUE NOT NULL,\n    expiry DATETIME NOT NULL,\n    revoked BOOLEAN DEFAULT FALSE,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,\n    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE\n);\n<\/pre>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u53d8\u66f4\u70b9<\/th><th>\u65e7\u4ee3\u7801<\/th><th>\u65b0\u4ee3\u7801<\/th><\/tr><\/thead><tbody><tr><td><strong>\u767b\u5f55\u63a5\u53e3<\/strong><\/td><td><code>\/login<\/code><\/td><td><code>\/token<\/code><\/td><\/tr><tr><td><strong>\u652f\u6301 <code>refresh_token<\/code><\/strong><\/td><td>\u274c<\/td><td>\u2705<\/td><\/tr><tr><td><strong>\u6570\u636e\u5e93\u5b58\u50a8 <code>refresh_token<\/code><\/strong><\/td><td>\u274c<\/td><td>\u2705<\/td><\/tr><tr><td><strong>JWT \u4f53\u79ef\u4f18\u5316<\/strong><\/td><td>\u274c \u5b58 <code>username<\/code><\/td><td>\u2705 \u4ec5\u5b58 <code>user_id<\/code><\/td><\/tr><tr><td><strong>\u7edf\u4e00 <code>\/token<\/code> \u7aef\u53e3<\/strong><\/td><td>\u274c \u4ec5\u5904\u7406\u767b\u5f55<\/td><td>\u2705 \u5904\u7406\u767b\u5f55 &amp; \u5237\u65b0 token<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. \u540a\u9500 Refresh Token<\/strong><\/h3>\n\n\n\n<p>\u63d0\u4f9b\u4e00\u4e2a API \u5141\u8bb8\u7528\u6237\u6216\u7ba1\u7406\u5458\u4e3b\u52a8\u540a\u9500 Refresh Token\uff0c\u9632\u6b62\u88ab\u6ee5\u7528\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@app.route('\/revoke', methods=['POST'])\ndef revoke_token():\n    data = request.json\n    refresh_token = data.get(\"refresh_token\")\n\n    if not refresh_token:\n        return jsonify({\"error\": \"Refresh token is required\"}), 400\n\n    cursor.execute(\"UPDATE refresh_tokens SET revoked = TRUE WHERE token = %s\", (refresh_token,))\n    db.commit()\n\n    return jsonify({\"message\": \"Refresh token has been revoked\"})<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-cyan-bluish-gray-color has-alpha-channel-opacity has-cyan-bluish-gray-background-color has-background is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u63a5\u53e3\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n<p><strong>\u7528\u6237\u6ce8\u518c<\/strong>\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"347\" src=\"https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-1024x347.png\" alt=\"\" class=\"wp-image-2757\" srcset=\"https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-1024x347.png 1024w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-300x102.png 300w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-768x260.png 768w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-1536x520.png 1536w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image.png 1844w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>\u7528\u6237\u767b\u5f55 &#8211; \u5bc6\u7801<\/strong>\uff08<code>grant_type=password<\/code>\uff09\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"419\" src=\"https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-1-1024x419.png\" alt=\"\" class=\"wp-image-2758\" srcset=\"https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-1-1024x419.png 1024w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-1-300x123.png 300w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-1-768x314.png 768w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-1-1536x629.png 1536w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-1.png 1832w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>\u7528\u6237\u767b\u5f55 &#8211; \u5237\u65b0\u4ee4\u724c<\/strong>\uff08<code>grant_type=refresh_token<\/code>\uff09\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"401\" src=\"https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-2-1024x401.png\" alt=\"\" class=\"wp-image-2759\" srcset=\"https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-2-1024x401.png 1024w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-2-300x118.png 300w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-2-768x301.png 768w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-2-1536x602.png 1536w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-2.png 1842w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>MySQL \u8868\u4e2d\u7684 Refresh Token \u72b6\u6001\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"130\" src=\"https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-3-1024x130.png\" alt=\"\" class=\"wp-image-2761\" srcset=\"https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-3-1024x130.png 1024w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-3-300x38.png 300w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-3-768x97.png 768w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-3-1536x195.png 1536w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-3-2048x259.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>\u4f20\u9012\u5df2\u8fc7\u671f Refresh Token \u65f6\uff0c\u63a5\u53e3\u8fd4\u56de\u7ed3\u679c\uff1a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"400\" src=\"https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-4-1024x400.png\" alt=\"\" class=\"wp-image-2763\" srcset=\"https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-4-1024x400.png 1024w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-4-300x117.png 300w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-4-768x300.png 768w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-4-1536x601.png 1536w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-4.png 1836w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"has-electric-grass-gradient-background has-background has-small-font-size\"><strong>\u2753 FAQ-1. Refresh Token \u6ca1\u7ed1\u5b9a\u7528\u6237\u662f\u5426\u5b89\u5168\uff1f\u884c\u4e1a\u5185\u6807\u51c6\u662f\u600e\u6837\u7684\uff1f<\/strong><br><br><strong>\u95ee\u9898\u8bf4\u660e\uff1a<\/strong><br>\u5f53\u524d\u4ee3\u7801\u4e2d\uff0crefresh_token \u662f\u901a\u8fc7\u6570\u636e\u5e93\u4e0e user_id \u5173\u8054\u7684\uff0c\u4f46\u5f53\u5ba2\u6237\u7aef\u4f20\u6765\u4e00\u4e2a\u5408\u6cd5\u7684 refresh_token \u65f6\uff0c\u5e76\u6ca1\u6709\u8fdb\u884c\u989d\u5916\u7684\u7528\u6237\u8eab\u4efd\u9a8c\u8bc1\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u53ea\u8981\u62ff\u5230 refresh_token\uff0c\u5c31\u53ef\u4ee5\u6362\u53d6\u65b0\u7684 access_token\uff0c\u65e0\u89c6\u662f\u8c01\u7684\u8bf7\u6c42\u3002<br><br><strong>\u98ce\u9669\u70b9\uff1a<\/strong><br>\u2022 \u5982\u679c refresh token \u6cc4\u9732\uff0c\u4ed6\u4eba\u53ef\u4ee5\u5728\u4e0d\u77e5\u60c5\u7684\u60c5\u51b5\u4e0b\u6362\u53d6\u7528\u6237\u7684 access token\u3002<br>\u2022 \u6ca1\u6709\u7ed1\u5b9a\u5ba2\u6237\u7aef\u3001IP\u3001UA \u7b49\u989d\u5916\u4e0a\u4e0b\u6587\uff0c\u65e0\u6cd5\u9632\u6b62 token \u88ab\u8de8\u73af\u5883\u4f7f\u7528\u3002<br><br><strong>\u884c\u4e1a\u6807\u51c6\uff1a<\/strong><br>\u2022 <strong>OAuth2 \u6807\u51c6\u5e76\u4e0d\u5f3a\u5236\u8981\u6c42 refresh_token \u9a8c\u8bc1\u7528\u6237\u8eab\u4efd<\/strong>\uff0c\u4f46<strong>\u63a8\u8350\u4e0e\u5ba2\u6237\u7aef\u6216\u4e0a\u4e0b\u6587\u7ed1\u5b9a<\/strong>\uff0c\u4ee5\u63d0\u9ad8\u5b89\u5168\u6027\u3002<br>\u2022 <strong>OpenID Connect<\/strong> \u7684\u5b9e\u73b0\u4e2d\uff0c\u901a\u5e38 refresh token \u4e0e client_id\u3001user_id \u7ed1\u5b9a\uff0c\u5e76\u53ef\u914d\u7f6e\u662f\u5426\u5141\u8bb8\u8de8\u5ba2\u6237\u7aef\u4f7f\u7528\u3002<\/p>\n\n\n\n<p class=\"has-electric-grass-gradient-background has-background has-small-font-size\"><strong>\u2753 FAQ-2. \u4e3a\u4ec0\u4e48 user_id \u5e94\u8be5\u4f7f\u7528 GUID \u800c\u4e0d\u662f\u81ea\u589e ID\uff1f<\/strong><br><br><strong>\u95ee\u9898\u8bf4\u660e\uff1a<\/strong><br>\u5f53\u524d users \u8868\u7684\u4e3b\u952e id \u4e3a\u81ea\u589e\u6574\u6570\uff0crefresh_tokens \u8868\u4e2d\u7684 user_id \u5916\u952e\u6307\u5411\u5b83\u3002\u6211\u8ba1\u5212\u5c06\u4e3b\u952e\u6539\u6210 user_id\uff08UUID \/ GUID\uff09\uff0c\u4ee5\u63d0\u5347\u53ef\u8bfb\u6027\u548c\u4e00\u81f4\u6027\u3002<br><br><strong>\u81ea\u589e ID \u7684\u7f3a\u70b9\uff1a<\/strong><br>\u2022 \u53ef\u9884\u6d4b\uff1a\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u904d\u5386\u731c\u6d4b id=1,2,3\u2026 \u8bbf\u95ee\u5176\u4ed6\u7528\u6237\u7684\u6570\u636e\u3002<br>\u2022 \u6570\u636e\u8fc1\u79fb\u96be\uff1a\u5728\u591a\u8282\u70b9\u6570\u636e\u5e93\u4e2d\u4f1a\u53d1\u751f\u81ea\u589e\u51b2\u7a81\u3002<br>\u2022 \u5b89\u5168\u6027\u8f83\u4f4e\uff1a\u4e0d\u9002\u5408\u66b4\u9732\u5728 URL \u6216\u5916\u90e8 API \u4e2d\u3002<br><strong><br>GUID \u7684\u4f18\u52bf\uff1a<\/strong><br>\u2022 \u5168\u5c40\u552f\u4e00\uff0c\u9002\u5408\u5206\u5e03\u5f0f\u7cfb\u7edf\u3002<br>\u2022 \u66f4\u96be\u88ab\u731c\u6d4b\uff0c\u589e\u5f3a\u5b89\u5168\u6027\u3002<br>\u2022 \u66f4\u5229\u4e8e\u672a\u6765\u6269\u5c55\u5230 RBAC\u3001IAM \u7ed3\u6784\u65f6\u7684\u8de8\u8868\u8054\u5408\u3002<\/p>\n\n\n\n<p><strong>\u540a\u9500\u5237\u65b0\u4ee4\u724c\uff1a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"360\" src=\"https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-5-1024x360.png\" alt=\"\" class=\"wp-image-2764\" srcset=\"https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-5-1024x360.png 1024w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-5-300x106.png 300w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-5-768x270.png 768w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-5-1536x540.png 1536w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-5.png 1848w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>MySQL \u8868\u4e2d\u7684 Refresh Token \u72b6\u6001\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"127\" src=\"https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-6-1024x127.png\" alt=\"\" class=\"wp-image-2765\" srcset=\"https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-6-1024x127.png 1024w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-6-300x37.png 300w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-6-768x95.png 768w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-6-1536x191.png 1536w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-6-2048x254.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u6b64\u65f6\u5982\u679c\u5c1d\u8bd5\u4f7f\u7528 Refresh Token \u5151\u6362 Access Token \u4f1a\u62a5\u9519\u63d0\u793a\u5237\u65b0\u4ee4\u724c\u5df2\u88ab\u540a\u9500<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"350\" src=\"https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-7-1024x350.png\" alt=\"\" class=\"wp-image-2766\" srcset=\"https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-7-1024x350.png 1024w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-7-300x102.png 300w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-7-768x262.png 768w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-7-1536x524.png 1536w, https:\/\/www.ruianding.com\/blog\/wp-content\/uploads\/2025\/04\/image-7.png 1828w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"has-electric-grass-gradient-background has-background has-small-font-size\"><strong>\u2753 FAQ-3. 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