Implement ffclipboard

src/js/background.js

@@ -51,6 +51,17 @@ brws.runtime.onInstalled.addListener(details=>{
 	{
 		brws.tabs.create({url:"https://fastforward.team/firstrun"})
 	}
+	//init clipboard
+	chrome.storage.local.get({ff_clipboard: "{}"}, function(data) {
+		chrome.storage.local.set({ff_clipboard: data.ff_clipboard}, function() {
+	})})
+})
+
+//clean clipboard on startup
+brws.runtime.onStartup.addListener(() => {
+	chrome.storage.local.get({ff_clipboard: "{}"}, function(data) {
+		chrome.storage.local.set({ff_clipboard: data.ff_clipboard}, function() {
+	})})
 })
 
 // Uninstall handler

src/js/content_script.js

@@ -1,5 +1,5 @@
 //If you want to add your own bypass, go to injection_script.js
-if(document instanceof HTMLDocument)
+if(document instanceof Document)
 {
 	let clipboardIndex=location.hash.indexOf("#bypassClipboard="),ignoreCrowdBypass=false,bypassClipboard=""
 	if(location.hash.substr(-18)=="#ignoreCrowdBypass")
@@ -117,19 +117,36 @@ if(document instanceof HTMLDocument)
 		crowdPath=location.pathname.substr(1),
 		referer=location.href
 
-		let script=document.createElement("script")
-		script.innerHTML=`(()=>{
-			const crowdEnabled=`+(res.crowdEnabled?"true":"false")+`,
-			ignoreCrowdBypass=`+(ignoreCrowdBypass?"true":"false")+`,
-			bypassClipboard="`+bypassClipboard.split("\\").join("\\\\").split("\"").join("\\\"")+`"
-			if(location.href=="https://universal-bypass.org/firstrun")
-			{
-				location.replace("https://universal-bypass.org/firstrun?1")
-				return
+		//ffclipboard reciever
+		window.addEventListener("message", function(event) {
+			// We only accept messages from ourselves
+			if (event.source != window) {
+				return;
+			}
+			if (event.data.type === "ffclipboardSet") {
+				brws.storage.local.set({ff_clipboard: event.data.text})
 			}
-			`+res.injectionScript+`
-		})()`
-		script=document.documentElement.appendChild(script)
-		setTimeout(()=>document.documentElement.removeChild(script),10)
+		});
+		brws.storage.local.get('ff_clipboard', function(result) {
+			ffClipboard_stored = result.ff_clipboard
+
+			//encodeURIcomponent and replace whatever's not encoded, https://stackoverflow.com/a/16435373/17117909
+			ffClipboard_stored = encodeURIComponent(ffClipboard_stored).replace(/\-/g, "%2D").replace(/\_/g, "%5F").replace(/\./g, "%2E").replace(/\!/g, "%21").replace(/\~/g, "%7E").replace(/\*/g, "%2A").replace(/\'/g, "%27").replace(/\(/g, "%28").replace(/\)/g, "%29")
+			let script=document.createElement("script")
+			script.innerHTML=`(()=>{
+				const crowdEnabled=`+(res.crowdEnabled?"true":"false")+`,
+				ignoreCrowdBypass=`+(ignoreCrowdBypass?"true":"false")+`,
+				bypassClipboard="`+bypassClipboard.split("\\").join("\\\\").split("\"").join("\\\"")+`"
+				let ffClipboard_stored="`+ffClipboard_stored+`"
+				if(location.href=="https://universal-bypass.org/firstrun")
+				{
+					location.replace("https://universal-bypass.org/firstrun?1")
+					return
+				}
+				`+res.injectionScript+`
+			})()`
+			script=document.documentElement.appendChild(script)
+			setTimeout(()=>document.documentElement.removeChild(script),10)
+	});
 	})
 }

src/js/injection_script.js

@@ -285,7 +285,84 @@ backgroundScriptBypassClipboard=c=>{
 persistHash=h=>ensureDomLoaded(()=>{
 	document.querySelectorAll("form[action]").forEach(e=>e.action+="#"+h)
 	document.querySelectorAll("a[href]").forEach(e=>e.href+="#"+h)
-})
+}),
+//decodes https://stackoverflow.com/a/16435373/17117909
+decodeURIEncodedMod=(s)=>{
+    try{
+        return decodeURIComponent(s.replace(/\%2D/g, "-").replace(/\%5F/g, "_").replace(/\%2E/g, ".").replace(/\%21/g, "!").replace(/\%7E/g, "~").replace(/\%2A/g, "*").replace(/\%27/g, "'").replace(/\%28/g, "(").replace(/\%29/g, ")"));
+    }catch (e) {
+		return null
+    }
+}
+
+//Backwards compatibility for ffclipboard
+versionString = UNIVERSAL_BYPASS_EXTERNAL_VERSION + ''
+let versionPatchNumber = Number(versionString.split(".").pop())
+let ffClpbrdSupported = false
+if(versionPatchNumber >= 1924) { 
+	ffClpbrdSupported = true
+}
+if (ffClpbrdSupported) {
+	ffClipboard_stored = decodeURIEncodedMod(ffClipboard_stored) //ffClipboard_stored is defined in content_script.js
+} else {
+	ffClipboard_stored = '{}'
+}
+class ffClipboard {
+	constructor() { }
+	//returns an ffclipboard entry, if id does not exist, returns null
+	static get(id) {
+		try {
+			var ffClipboardObj = JSON.parse(ffClipboard_stored)
+		} catch (e) {
+			return null
+		}
+		if (ffClipboardObj) {
+			if (ffClipboardObj[id]) {
+				return ffClipboardObj[id]
+			} else {
+				return null
+			}
+		} else {
+			return null
+		}
+	}
+	//sets ffclipboard contents, if id does not exist, creates it
+	static set(id, value) {
+		try {
+			var ffClipboardObj = JSON.parse(ffClipboard_stored)
+		} catch (e) {
+			return null
+		}
+		if (ffClipboardObj) {
+			ffClipboardObj[id] = value
+			let message = { type: "ffclipboardSet", text: JSON.stringify(ffClipboardObj) }
+			window.postMessage(message, "*") //send message to content script
+			ffClipboard_stored = JSON.stringify(ffClipboardObj)
+		} else {
+			return null
+		}
+	}
+	//deletes ffclipboard contents and frees up storage, if id does not exist, does nothing
+	static free(id) {
+		try {
+			var ffClipboardObj = JSON.parse(ffClipboard_stored)
+		} catch (e) {
+			return null
+		}
+		if (ffClipboardObj) {
+			if (ffClipboardObj[id]) {
+				delete ffClipboardObj[id]
+				let message = { type: "ffclipboardSet", text: JSON.stringify(ffClipboardObj) }
+				window.postMessage(message, "*")
+				ffClipboard_stored = JSON.stringify(ffClipboardObj)
+			} else {
+				return
+			}
+		} else {
+			return
+		}
+	}
+}
 let navigated=false,
 bypassed=false,
 domain=location.hostname,