Help accessing the chrome.permissions api

[Jon Howard]

Hi,

Does anyone have a full working example of accessing the chrome.permissions api from within an injected content script.

I've been trying to see if I can request cookie permission which has been configured to be an optional permission within an v2 manifest file but every time I try and access chrome.permissions it's not defined within the chrome.* namespace within my injected script.

Here is my current (v2) manifest file.

{

"manifest_version": 2,

"name": "Browser Extension",

"version": "5.0.0",

"description": "MV 2",

"homepage_url": "http://www.homepage.com",

"optional_permissions": [

"cookies",

"<all_urls>"

],

"permissions": [

"alarms",

"storage",

"tabs",

"webNavigation"

],

"background": {

"scripts": [

"background.js"

],

"persistent": false

},

"browser_action": {

"default_title": "My Popup",

"default_popup": "popup.html",

"default_icon": {

"16": "icons/icon-16.png",

"19": "icons/icon-19.png",

"32": "icons/icon-32.png",

"48": "icons/icon-48.png",

"128": "icons/icon-128.png"

}

},

"content_scripts": [

{

"js": [

"serps.js"

],

"matches": [

"<all_urls>"

],

"include_globs": [

"*://www.google.*/*",

"*://www.bing.*/*"

],

"run_at": "document_idle",

"all_frames": false

},

{

"js": [

"retailer.js"

],

"matches": [

"<all_urls>"

],

"exclude_globs": [

"*://*.google.*/*",

"*://*.bing.*/*",

"*://*.youtube.*/*"

],

"run_at": "document_idle",

"all_frames": false

}

],

"web_accessible_resources": [],

"icons": {

"16": "icons/icon-16.png",

"48": "icons/icon-48.png",

"128": "icons/icon-128.png"

},

"minimum_chrome_version": "87"

}

[Simeon Vincent]

Jon,

You can't use that API in content scripts; see the content scripts docs for details on which APIs are available in this context. You can work around this by posting a message to the background script, executing the query in the background context, then posting a message to the content script.

Cheers,

Simeon - @dotproto

Chrome Extensions DevRel

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[Jon Howard]

@dotproto - Thanks for the heads up 8-)