Ajout d'un onBeforeSendHeaders dans background.js pour intercepter le… (#317)

* Ajout d'un onBeforeSendHeaders dans background.js pour intercepter les requêtes vers /access/httpref/default.aspx et ajouter un referer maintenant requis par europresse.

* N'effectue l'ajout d'un referrer si un consommable est présent

Author: Write

ophirofox/background.js

@@ -69,6 +69,67 @@ async function injectEuropress() {
   });
 }
 
+chrome.webRequest.onBeforeSendHeaders.addListener(
+  function(details) {
+    const url = new URL(details.url);
+    const isTargetHost = url.hostname.includes("europresse.com") || url.hostname.includes("eureka.cc");
+    const isTargetPath = url.pathname.startsWith("/access/httpref/default.aspx");
+    
+    if (isTargetHost && isTargetPath) {
+      return new Promise((resolve) => {
+        chrome.storage.local.get(
+          ["ophirofox_request_type", "ophirofox_readPDF_request", "ophirofox_settings"], 
+          function(data) {
+            const hasRequestType = data.ophirofox_request_type !== undefined;
+            const hasReadPDFRequest = data.ophirofox_readPDF_request !== undefined;
+            const hasConsumable = hasRequestType || hasReadPDFRequest;
+            if (hasConsumable) {
+              let referer = null;
+              if (data.ophirofox_settings) {
+                try {
+                  const settings = typeof data.ophirofox_settings === 'string' 
+                    ? JSON.parse(data.ophirofox_settings) 
+                    : data.ophirofox_settings;
+                  const partner_name = settings.partner_name;
+                  const manifest = chrome.runtime.getManifest();
+                  const partners = manifest.browser_specific_settings.ophirofox_metadata.partners;
+                  const partner = partners.find(p => p.name === partner_name);
+                  
+                  if (partner && partner.AUTH_URL) {
+                    const authUrl = new URL(partner.AUTH_URL);
+                    referer = `${authUrl.protocol}//${authUrl.hostname}`;
+                  }
+                } catch (err) {
+                  console.error("Erreur lors de la détermination du referer:", err);
+                }
+              }
+              
+              // Si un referer est déterminé, modifions l'en-têt
+              if (referer) {
+                // Chercher l'en-tête Referer existant ou en ajouter un nouveau
+                let refererHeader = details.requestHeaders.find(header => header.name.toLowerCase() === "referer");
+                  
+                if (refererHeader) {
+                  refererHeader.value = referer;
+                } else {
+                  details.requestHeaders.push({ name: "Referer", value: referer });
+                }
+                console.log(`Referer modifié pour ${details.url}: ${referer}`);
+              }
+            } else {
+              console.log("Aucun consommable trouvé, referer non modifié");
+            }
+            resolve({ requestHeaders: details.requestHeaders });
+          }
+        );
+      });
+    }
+    return { requestHeaders: details.requestHeaders };
+  },
+  { urls: ["*://*.europresse.com/*", "*://*.eureka.cc/*"] },
+  ["blocking", "requestHeaders"]
+);
+
 // update injection on permission change
 chrome.permissions.onAdded.addListener(injectEuropress);
 chrome.permissions.onRemoved.addListener(injectEuropress);

ophirofox/manifest.json

@@ -14,10 +14,13 @@
   "permissions": [
     "storage",
     "scripting",
-    "https://nouveau.europresse.com/*"
+    "webRequest",
+    "webRequestBlocking",
+    "https://nouveau.europresse.com/*",
+    "https://eureka.cc/*"
   ],
   "optional_permissions": [
-    "webNavigation"
+      "webNavigation"
     , "https://nouveau-europresse-com.essec.idm.oclc.org/*"
     , "https://nouveau-europresse-com.ezproxy.univ-catholille.fr/*"
     , "https://nouveau-europresse-com.ezproxy.upf.pf/*"