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48
_preserved/OldLoginStrategy.js
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/**
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* 在「登入」頁面下,處理、驗證使用者所傳的帳號、密碼是否正確。
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*/
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router.post("/login", (req, res) => {
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req.checkBody("username")
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.notEmpty().withMessage("請輸入登入的使用者名稱。");
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req.checkBody("password")
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.notEmpty().withMessage("請輸入登入的密碼。");
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// 取得錯誤物件結果
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req.getValidationResult().then((result) => {
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let errors = result.mapped();
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let responseMsg = {isOK : result.isEmpty()};
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// 取得資料插值物件
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dataRender.DataRender("login", req.session, (err, dataObj) => {
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if (err) {
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res.setHeader("Content-Type", "text/plain");
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res.status(500);
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res.end("Server side error : 500\n" + err);
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return;
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}
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// 若驗證、檢查成功,則從資料庫中比對帳號、密碼資訊
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if (responseMsg.isOK) {
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User.AccountComparison(req.body.username, req.body.password, (err, result) => {
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// 若帳號密碼比對不成功 或 找不到使用者,則送出錯誤訊息
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if (!result) {
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dataObj.isLoginFailed = true;
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dataObj.loginMessage = "錯誤的帳號名稱或密碼,請重新輸入。";
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res.render("login", dataObj);
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return;
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}
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else if (err) {
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dataObj.isLoginFailed = true;
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dataObj.loginMessage = "很抱歉!伺服端處理時發生錯誤,請稍候重試!";
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res.render("login", dataObj);
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return;
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}
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res.send(responseMsg);
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});
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}
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else {
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let firstErr = Object.values(errors)[0]; // 取得第一個錯誤訊息物件
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dataObj.isLoginFailed = true;
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dataObj.loginMessage = firstErr.msg; // 將錯誤訊息新增到回應物件的message屬性
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res.render("login", dataObj);
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}
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});
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});
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});
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_preserved/images/3b337a06-7ed5-47f2-93d9-3d04a1724441.png
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_preserved/images/5063c4d3-9108-4d2e-9690-d110c34fd7e7.png
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After Width: | Height: | Size: 181 KiB |
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_preserved/images/59492b35-b4b2-46e2-a608-1b52cfddeb58.png
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After Width: | Height: | Size: 82 KiB |
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_preserved/images/8ada1da7-5f3a-4452-9fef-f6e65de2f004.png
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After Width: | Height: | Size: 24 KiB |
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_preserved/images/a5d19465-3f8e-43bb-9e75-b8fa44f12cd1.png
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After Width: | Height: | Size: 33 KiB |
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_preserved/images/cbc3c3d0-8be5-4114-8904-0faded560e8f.png
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After Width: | Height: | Size: 289 KiB |
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_preserved/images/d6d98d30-d1b5-4528-b2d5-2977290e3687.png
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After Width: | Height: | Size: 116 KiB |
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_preserved/images/edca9118-e254-4671-bd8c-6ae3a507d4b5.png
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After Width: | Height: | Size: 607 KiB |
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_preserved/images/f514a6da-a8e8-42df-8ec0-32f98b4d00b7.png
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After Width: | Height: | Size: 771 KiB |