如何在Chrome扩展中使用AJAX进行POST请求? [英] How to make a POST request using AJAX in a Chrome Extension?
问题描述
当浏览器在我的网页上时,我试图做一个ajax调用,它完美地工作,但是一旦我离开我的域,它就会失败。这是一个封闭的系统,用户知道他们正在被追踪,所以没有任何阴影发生。我在域外的所有内容上收到错误406。例如,如果我在我的网址www.mywebpage.com上执行完美的脚本,但只要访问www.yourwebpage.com,它就会返回错误。
I曾尝试将manifest.json中的权限设置为我的网址,所有网址,特定网址,但其行为方式相同。这是我的background.js
chrome.runtime.onMessage.addListener
(
函数(消息,发送者,发送响应)
{
if(message.applicationcode ==VALIDAPPLICATIONKEY)
{
var salt = message.salt;
var learnerid = message.learnerid ;
var behaviorkey = message.behaviorkey;
var behaviorname = message.behaviorname;
var behaviorkeyname = message.behaviorkeyname;
chrome.tabs.query
(
{active:true},
function(arrayOfTabs)
{
var data = new FormData();
data.append('Salt',salt);
data.append('LearnerID',learnerid);
data.append('BehaviorKey',behaviorkey);
data.append('BehaviorName',behaviorname);
da ta.append('BehaviorKeyName',behaviorkeyname);
data.append('BehaviorValue',arrayOfTabs [0] .url);
var xhr = new XMLHttpRequest();
xhr.open('POST','https://www.mywebpage.com/myservice.php',true);
xhr.onreadystatechange = function()
{
if(xhr.readyState == 4)
{
// JSON.parse不计算攻击者的脚本。
var resp = JSON.parse(xhr.responseText);
console.log(resp);
}
}
xhr.send(data);
}
); //结束查询
返回true;
); //结束侦听器
是我当前的清单文件。
{
manifest_version:2,
name:应用,
description:插件,
版本:1.0,
background:
{
scripts:[ jquery.js,background.js],
persistent:true
},
permissions:[
tabs,http:// www .mywebpage.com / *,https://www.mywebpage.com/*
],
browser_action:
{
default_icon :icon.png,
default_popup:popup.html
},
content_scripts:
[
{
匹配:[< all_urls>],
js:[jquery.js,popup.js]
}
]
}
任何想法或帮助都将不胜感激。根据这里的文档,我正在尝试做的事情可以通过扩展来实现,并且可以在有限的时尚。或者应该按照建议此处在扩展页面中执行此类操作?
预先致谢。
这是我的解决方案:
manifest.json:
< pre $ manifest_version:2,
name:我的名字,
description:我的描述。,
version:0.1,
background:
{
scripts:[jquery.js,background.js],
持久:真
},
权限:
[
标签,
存储
],
browser_action:
{
default_icon:icon.png,
default_popup:popup.html
},
content_scripts:
[
{
匹配:[https://www.myurl.com/*],
js:[jquery.js,popup .js],
run_at:document_end
}
]
}
background.js:
var learnerid = 0;
//当用户点击浏览器动作时调用。
chrome.tabs.onUpdated.addListener
(
函数(tabId,changeInfo,tab)
{
if(changeInfo.status =='complete')
{
chrome.tabs.query
(
{
active:true
},
function(tabs)
{
if(learnerid!= 0)
{
TrackURL(tabs);
}
else
{
console.log(User not logged in;!);
} // end if
}
); //结束查询
}
}
);
chrome.runtime.onMessage.addListener
(
函数(message,sender,sendResponse)
{
if(message.applicationcode ==appname )
{
learnerid = message.learnerid;
} // end if
}
); //结束函数
函数TrackURL(标签)
{
$ .ajax
(
{
类型:POST,
url:http:/ /www.myurl.com/action.php,
dataType:json,
data:
{
动作:'TrackURL',
URL:标签[0] .url,
标题:tabs [0] .title,
LearnerID:learnerid
},
成功:函数(msg)
{
console.log(URL跟踪);
} //结束函数
}
); //结束ajax
} //结束函数
popup.js:
document.addEventListener
(
starttrack,
函数(e)
{
startPoll (e.detail);
}
);
函数startPoll(e)
{
chrome.runtime.sendMessage
(
{
applicationcode:myapp ,
learnerid:e,
}
);
从我的网页
: 函数SendLearnerID(值)
{
尝试
{
var event = new CustomEvent(starttrack, {'detail':value});
document.dispatchEvent(event);
}
catch(err)
{
console.log(err);
}
} //结束函数
我的问题是在我的原始事件调用发生的地方,从网页......因此406错误。希望这可以帮助别人。
I am attempting to make an ajax call when the browser is on my webpage it works perfectly but as soon as I leave my domain, it fails. This is for a closed system that user knows they are being tracked so nothing shady going on. I am receiving an error 406 on everything outside of my domain. For example if I on my url of www.mywebpage.com the script executes perfectly, but as soon as I visit www.yourwebpage.com it returns the error.
I have tried setting the permissions in the manifest.json to my URL, all urls, specific urls but it behaves the same way. Here is my background.js
chrome.runtime.onMessage.addListener
(
function(message, sender, sendResponse)
{
if(message.applicationcode=="VALIDAPPLICATIONKEY")
{
var salt=message.salt;
var learnerid=message.learnerid;
var behaviorkey=message.behaviorkey;
var behaviorname=message.behaviorname;
var behaviorkeyname=message.behaviorkeyname;
chrome.tabs.query
(
{active: true},
function(arrayOfTabs)
{
var data = new FormData();
data.append('Salt', salt);
data.append('LearnerID', learnerid);
data.append('BehaviorKey', behaviorkey);
data.append('BehaviorName', behaviorname);
data.append('BehaviorKeyName', behaviorkeyname);
data.append('BehaviorValue', arrayOfTabs[0].url);
var xhr = new XMLHttpRequest();
xhr.open('POST', 'https://www.mywebpage.com/myservice.php', true);
xhr.onreadystatechange = function()
{
if (xhr.readyState == 4)
{
// JSON.parse does not evaluate the attacker's scripts.
var resp = JSON.parse(xhr.responseText);
console.log(resp);
}
}
xhr.send(data);
}
);//end query
return true;
}
}
);//end listener
Here is my current manifest file.
{
"manifest_version": 2,
"name": "Application",
"description": "Plugin",
"version": "1.0",
"background":
{
"scripts": ["jquery.js","background.js"],
"persistent": true
},
"permissions": [
"tabs","http://www.mywebpage.com/*","https://www.mywebpage.com/*"
],
"browser_action":
{
"default_icon": "icon.png",
"default_popup": "popup.html"
},
"content_scripts":
[
{
"matches": ["<all_urls>"],
"js": ["jquery.js","popup.js"]
}
]
}
Any thoughts or help on this would be greatly appreciated. According to the documentation here what I am trying to do is allowed by extensions and does work in a limited fashion. Or should this type of action being taking place in the extension page as suggested here? I am new to writing Chrome extensions and I am sure I am missing something stupid.
Thanks in advance.
Here was the solution I had:
manifest.json:
{
"manifest_version": 2,
"name": "My Name",
"description": "My Description.",
"version": "0.1",
"background":
{
"scripts": ["jquery.js","background.js"],
"persistent": true
},
"permissions":
[
"tabs",
"storage"
],
"browser_action":
{
"default_icon": "icon.png",
"default_popup": "popup.html"
},
"content_scripts":
[
{
"matches": ["https://www.myurl.com/*"],
"js": ["jquery.js","popup.js"],
"run_at": "document_end"
}
]
}
background.js:
var learnerid=0;
// Called when the user clicks on the browser action.
chrome.tabs.onUpdated.addListener
(
function (tabId, changeInfo, tab)
{
if (changeInfo.status == 'complete')
{
chrome.tabs.query
(
{
active: true
},
function (tabs)
{
if(learnerid!=0)
{
TrackURL(tabs);
}
else
{
console.log("User not logged in yet!");
}//end if
}
);//end query
}
}
);
chrome.runtime.onMessage.addListener
(
function(message, sender, sendResponse)
{
if(message.applicationcode=="appname")
{
learnerid=message.learnerid;
}//end if
}
);//end function
function TrackURL(tabs)
{
$.ajax
(
{
type: "POST",
url: "http://www.myurl.com/action.php",
dataType:"json",
data:
{
Action: 'TrackURL',
URL:tabs[0].url,
Title:tabs[0].title,
LearnerID:learnerid
},
success: function(msg)
{
console.log("URL Tracked");
}//end function
}
);//End ajax
}//end function
popup.js:
document.addEventListener
(
"starttrack",
function(e)
{
startPoll(e.detail);
}
);
function startPoll(e)
{
chrome.runtime.sendMessage
(
{
applicationcode: "myapp",
learnerid: e,
}
);
}
From my webpage:
function SendLearnerID(value)
{
try
{
var event = new CustomEvent("starttrack",{'detail': value});
document.dispatchEvent(event);
}
catch(err)
{
console.log(err);
}
}//end function
My problem was where my original event call happened, from within the web page....hence the 406 error. Hope this helps someone else.
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