Unrecognized manifest key 'externally_connectable' - google-chrome-extension

I get this error on extension page:
Unrecognized manifest key 'externally_connectable'.
This is my manifest:
{
"manifest_version": 2,
"name": "Publish",
"externally_connectable": {
"ids": ["*"],
"matches": ["*://*.example.it/*"]
},
"description": "example ext",
"version": "2.0",
"browser_action": {
"default_icon": "favicon.ico",
"default_popup": "popup.html"
},
"background": {
"page": "background.html"
},
"permissions": [
"http://www.example.it/", "tabs", "http://localhost/", "http://www.example.it/", "https://*/*", "http://*/*", "notifications", "background"
],
"web_accessible_resources": [
"img/example.png",
"img/bg_site.gif"
]
}
How do i solve it? I serched on BigG, no one wrote about this error...

You're running Chrome 26.0.1410.63, but this manifest key was added in version 29.
Sources:
History of the Chromium source code dealing with this manifest key
Bug for which this manifest key was added

If you have this error with a newer version of Chrome you might have made the same mistake I made - I had a space at the end of the key name (inside the quotes.)

Related

Chrome Extension Manifest v3: Load content script only on click on extension icon (minimize permissions)

I am migrating a functioning browser extension to manifest v3. The problem: I want the content script to be loaded only upon clicking on the browser extension icon. However, the script is always loaded. When I try to upload to the chrome store, I get the following message, which is what I want to avoid:
Because of the host permission, your extension may require an in-depth
review that will delay publishing.
I suspect it has something to do with the "action", but I could not figure out on how to fix this. Here is the manifest:
{
"manifest_version": 3,
"name": "__MSG_extName__",
"description": "__MSG_extDescription__",
"key": "...",
"version": "1.0.0",
"icons": { ... },
"background": {
"service_worker": "/background.js"
},
"permissions": [
"storage"
],
"content_scripts": [
{
"matches": [
"<all_urls>"
],
"js": [
"/content.js"
]
}
],
"web_accessible_resources": [
{
"resources": [
"/assets/*",
"/options.html"
],
"matches": [
"<all_urls>"
]
}
],
"options_page": "options.html",
"action": {}
}
One last note: I assume that I need activeTab permission. But again, my problem is that I want to minimize the required permissions.
Thanks in advance!
I eventually figured it out. Basically, I had to remove the "content_scripts" section. Instead, I need to inject the content script explicitly with the action handler. I was under the wrong assumption that I could constraint the content_scripts section with the right permissions.
For this to work, I had to set activeTab and scripting permissions, here the new permissions:
"permissions": [
"storage",
"activeTab",
"scripting"
],
I already had an action handler in my service worker (background.js), which now looks like this:
chrome.action.onClicked.addListener(async (tab) => {
await chrome.scripting.executeScript({
target: { tabId: tab.id, allFrames: true },
files: ["content.js"],
});
// Do other stuff...
});
I hope this answer will help someone, somewhere!
From my experience still you can use content_scripts but you should add the permission scripting.
See my manifest json below.
{
"manifest_version": 3,
"name": "*********",
"description": "This extension will repeat the media you are playing",
"version": "1.0",
"background": {
"service_worker": "background.js"
},
"content_scripts":[
{
"matches": ["https://www.google.com/*"],
"js": ["bot.js"]
}
],
"action": {
"default_icon": "icon.png",
"default_popup": "popup/popup.html"
},
"permissions": [
"activeTab",
"storage",
"tabs",
"scripting"
]
}

How to port Chrome extension to Firefox addon?

I get this error in Firefox:
There was an error during the temporary add-on installation.
Error details ▼
File red_apples.zip does not contain a valid manifest
This is the extension I'm trying to port. Here's the manifest:
{
"manifest_version": 2,
"name": "Red Apples",
"permissions": [
"tabs", "activeTab"
],
"background": {
"persistent": false,
"scripts": [
"background.js"
]
},
"version": "0.0.0.2",
"icons": {
"16": "icon16.png",
"48": "icon48.png",
"128": "icon128.png"
},
"browser_action": {
"default_icon": "icon16.png",
"default_title": "Red Apples",
"default_popup": "popup.html"
},
"content_scripts": [
{
"matches": [
"<all_urls>"
],
"js": [
"script.js"
]
}
]
}
At the bottom of this tutorial it says there's a 99% chance it works without modification, if it passes the test here. But it passes the test and still doesn't work.
I get the manifest error both for the version packed with Chrome, and for the version just compressed as .zip.

Submitted Chrome extension: "manifest is invalid" on download

I recently submitted a chrome extension, but when I try to download the extension it says that the manifest file is invalid. Not sure why.
Here is my manifest :
{
"name": "My chrome extension",
"version": "0.2",
"description": "My chrome extension description.",
"permissions": [ "activeTab", "tabs", "contextMenus" ],
"background": {
"persistent": false
},
"browser_action": {
"default_icon": "favicon.png",
"default_popup": "index.html"
},
"manifest_version": 2
}
Is there a tool online where I can validate a Chrome extension manifest file?
You are missing scripts in your background item.
{
...
"permissions": [ "activeTab", "tabs", "contextMenus" ],
"background": {
"scripts": [
"path/to/js/script",
],
"persistent": false
},
"browser_action": {
"default_icon": "favicon.png",
"default_popup": "index.html"
},
...
}
OR just remove the background item from your manifest if you are not planning on using it.
{
...
"permissions": [ "activeTab", "tabs", "contextMenus" ],
"browser_action": {
"default_icon": "favicon.png",
"default_popup": "index.html"
},
...
}
--
You don't need tools to test the manifest, go to the chrome://extensions page, enable developer mode on the top right and load your extension, it will tell you the error and how to solve it.

Chrome Extension blocks programmatic request to popup.html

After the release of Chrome 66, our specs for testing a Chrome Extension fail because we are unable to access the popup.html programmatically because the request to chrome-extension://<extension-id>/src/popup.html is blocked.
We've tried getting the extension ID programmatically using chrome.runtime.id and chrome.runtime.getURL().
We've also tried generating our own PEM to sign the extension and using the generated ID in the manifest as the extension key. Both of these attempts have proved fruitless.
Is there still a way to access Chrome Extension programmatically for testing?
Update: Here is my manifest.json:
{
"manifest_version": 2,
"name": "Paparazzi",
"version": "1.0.9",
"background": {
"matches": ["<all_urls>"],
"scripts": [
"src/background.js",
"vendor/jszip.js",
"vendor/FileSaver.js",
"vendor/mixpanel.js"
]
},
"browser_action": {
"default_icon": {
"16": "ic-paparazzi-16.png",
"48": "ic-paparazzi-48.png",
"96": "ic-paparazzi-96.png",
"128": "ic-paparazzi-128.png",
"256": "ic-paparazzi-256.png"
},
"default_popup": "src/popup.html"
},
"commands": {
"capture_screen": {
"suggested_key": {
"default": "Ctrl+Shift+E",
"mac": "Command+Shift+E"
},
"description": "Capture screenshot of current tab"
}
},
"content_security_policy":
"script-src 'self' https://cdn.mxpnl.com/libs/mixpanel-2-latest.min.js; object-src 'self'",
"icons": {
"16": "ic-paparazzi-16.png",
"48": "ic-paparazzi-48.png",
"96": "ic-paparazzi-96.png",
"128": "ic-paparazzi-128.png",
"256": "ic-paparazzi-256.png"
},
"permissions": [
"activeTab",
"cookies",
"identity",
"identity.email",
"notifications",
"tabCapture",
"tabs",
"webRequest",
"webRequestBlocking",
"http://*/",
"*://*.sharethrough.com/*",
"*://localhost/*",
"<all_urls>"
],
"web_accessible_resources": [
"src/*",
"vendor/fonts/MetricWeb-Regular.woff",
"vendor/bootstrap.min.css"
],
"key": "bgcanlbkmndllogdnbohopfomoknmjmf"
}
I'm on Chrome 66.0.3359.117 and I was able to get files like this;
chrome.runtime.getURL("popups/popup.html");
window.open() succeed for getting it to open the page. It does not work when the folder or file is not specified under "web_accessible_resources".
"web_accessible_resources": [
"popups/*"
]
If the problem isn't with the manifest, then it's likely related to the testing software and not Chrome.

Chrome.windows.create not working

In my content script I do
chrome.windows.create({url: "local.html", type: "popup"});
however, no window ever shows up.
Do I need to change my manifest file first? Why doesn't this function create a new window ever?
I have tabs enabled like so
{
"name": "Tool",
"version": "0.0.1",
"manifest_version": 2,
"description": "",
"homepage_url": "",
"icons": {
"16": "icons/on.png",
"48": "icons/on.png",
"128": "icons/on.png"
},
"default_locale": "en",
"background": {
"page": "src/bg/background.html",
"persistent": true
},
"browser_action": {
"default_icon": "icons/on.png",
"default_title": "browser action demo"
},
"permissions": [
"<all_urls>","tabs", "webNavigation"
],
"content_scripts": [
{
"run_at": "document_end",
"matches": [
"<all_urls>"
],
"js": [
"src/lib/jquery.min.js", "src/inject/inject.js"
],
"css": [
"src/inject/inject.css"
]
}
]
}
You are trying to call this from the content script.
Quoting the docs:
However, content scripts have some limitations. They cannot:
Use chrome.* APIs (except for parts of chrome.extension)
If you need to initiate some action that uses Chrome API from the content script, you have to message your background script to do this. See Architecture overview and Messaging.

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