cardigann: follow login redirect if domain doesn't change (#14544)

src/Jackett.Common/Definitions/centraltorrent.yml

@@ -42,13 +42,12 @@ caps:
     book-search: [q]
 
 settings:
-  - name: cookie
+  - name: username
     type: text
-    label: Cookie
-  - name: info
-    type: info
-    label: How to get the Cookie
-    default: "<ol><li>Login to this tracker with your browser</li><li>Open the <b>DevTools</b> panel by pressing <b>F12</b></li><li>Select the <b>Network</b> tab</li><li>Click on the <b>Doc</b> button (Chrome Browser) or <b>HTML</b> button (FireFox)</li><li>Refresh the page by pressing <b>F5</b></li><li>Click on the first row entry</li><li>Select the <b>Headers</b> tab on the Right panel</li><li>Find <b>'cookie:'</b> in the <b>Request Headers</b> section</li><li><b>Select</b> and <b>Copy</b> the whole cookie string <i>(everything after 'cookie: ')</i> and <b>Paste</b> here.</li></ol>"
+    label: Username
+  - name: password
+    type: password
+    label: Password
   - name: freeleech
     type: checkbox
     label: Search freeleech only
@@ -75,12 +74,25 @@ settings:
     default: For best results, change the <b>Torrents per page:</b> setting to <b>100</b> on your account profile.
 
 login:
-  method: cookie
+  path: login.php
+  method: form
+  form: form[action="takelogin.php"]
   inputs:
-    cookie: "{{ .Config.cookie }}"
+    username: "{{ .Config.username }}"
+    password: "{{ .Config.password }}"
+  captcha:
+    type: image
+    selector: img.cimage
+    input: captcha
+  error:
+    - selector: td.embedded:has(h2:contains("failed"))
+    - selector: td.embedded:has(h2:contains("Error"))
+    - selector: form[action="takelogin.php"]
+      message:
+        text: "Login page detected at {{ .Config.sitelink }}."
   test:
-    path: my.php
-    selector: a[href="logout.php"]
+    path: index.php
+    selector: a[href="/my.php"]
 
 download:
   selectors:

src/Jackett.Common/Indexers/BaseIndexer.cs

@@ -580,24 +580,29 @@ namespace Jackett.Common.Indexers
             }
         }
 
-        protected async Task FollowIfRedirect(WebResult response, string referrer = null, string overrideRedirectUrl = null, string overrideCookies = null, bool accumulateCookies = false)
+        protected async Task FollowIfRedirect(WebResult response, string referrer = null, string overrideRedirectUrl = null, string overrideCookies = null, bool accumulateCookies = false, int maxRedirects = 5)
         {
-            // Follow up  to 5 redirects
-            for (var i = 0; i < 5; i++)
+            for (var i = 0; i < maxRedirects; i++)
             {
                 if (!response.IsRedirect)
+                {
                     break;
+                }
 
                 var redirectingTo = new Uri(response.RedirectingTo);
                 if (redirectingTo.Scheme == "magnet")
+                {
                     break;
+                }
 
                 await DoFollowIfRedirect(response, referrer, overrideRedirectUrl, overrideCookies, accumulateCookies);
+
                 if (accumulateCookies)
                 {
                     CookieHeader = ResolveCookies((CookieHeader != null && CookieHeader != "" ? CookieHeader + " " : "") + (overrideCookies != null && overrideCookies != "" ? overrideCookies + " " : "") + response.Cookies);
                     overrideCookies = response.Cookies = CookieHeader;
                 }
+
                 if (overrideCookies != null && response.Cookies == null)
                 {
                     response.Cookies = overrideCookies;

src/Jackett.Common/Indexers/CardigannIndexer.cs

@@ -849,16 +849,23 @@ namespace Jackett.Common.Indexers
             var headers = ParseCustomHeaders(Definition.Login?.Headers ?? Definition.Search?.Headers, GetBaseTemplateVariables());
             var testResult = await RequestWithCookiesAsync(LoginTestUrl, headers: headers);
 
+            // Follow the redirect on login if the domain doesn't change
+            if (testResult.IsRedirect && GetRedirectDomainHint(testResult) == null)
+            {
+                await FollowIfRedirect(testResult, LoginTestUrl, overrideCookies: testResult.Cookies, accumulateCookies: true, maxRedirects: 1);
+            }
+
             if (testResult.IsRedirect)
             {
                 var errormessage = $"Login Failed, got redirected to: {testResult.RedirectingTo}";
-                var DomainHint = GetRedirectDomainHint(testResult);
-                if (DomainHint != null)
+                var domainHint = GetRedirectDomainHint(testResult);
+
+                if (domainHint != null)
                 {
-                    errormessage += " Try changing the indexer URL to " + DomainHint + ".";
+                    errormessage += " Try changing the indexer URL to " + domainHint + ".";
                     if (Definition.Followredirect)
                     {
-                        configData.SiteLink.Value = DomainHint;
+                        configData.SiteLink.Value = domainHint;
                         SiteLink = configData.SiteLink.Value;
                         SaveConfig();
                         errormessage += " Updated site link, please try again.";
@@ -1925,12 +1932,15 @@ namespace Jackett.Common.Indexers
         protected async Task<WebResult> HandleRedirectableRequestAsync(string url, Dictionary<string, string> headers = null, int maxRedirects = 5)
         {
             var response = await RequestWithCookiesAsync(url, headers: headers);
+
             for (var i = 0; i < maxRedirects; i++)
             {
-                if (response.IsRedirect)
-                    response = await RequestWithCookiesAsync(response.RedirectingTo, headers: headers);
-                else
+                if (!response.IsRedirect)
+                {
                     break;
+                }
+
+                response = await RequestWithCookiesAsync(response.RedirectingTo, headers: headers);
             }
             return response;
         }