最近试着做hybird app,遇到的第一件事就是跨域session丢失的问题,不知道手机客户端现在都流行怎么做登陆状态保存?有哪个大牛愿意说说吗?
我遇到这个问题想到的方法是,php验证通过后session设置的session id是存在cookie里面,那我直接在验证通过以后用session_id()(这个函数会返回设置的sessionid)把值打印出来,然后客户端可以直接取到。。。
但是这之后就出问题了,我用
<code>document.cookie = 'PHPSESSID='+返回的sessionid </code>
这样设置的cookie 的作用域是当前域名下的当前路径
设置好后可以在chrome里看到,然后夸域请求页面,发现没有带cookie....
至此我觉得是因为domain设置的不对所欲带不上cookie然后,我在后面加domain path就不会设置成功
<code>document.cookie = 'PHPSESSID='+返回的sessionid +‘;domain=a.com;path=’test/ </code>
这样做了后刷新页面后发现不能设置cookie了(可能是chrome出于安全考虑吧)。
我确定服务器端是设置好的,就是这里用ajax不能设置cookie,然后网上查了查,说ajax可以自己设置cookie我就照做了
<code> $http({ headers:{ cookie:'PHPSESSID=192fac5eb0b9970dfedbb20773013e91' }, xhrFields: { withCredentials: true }, crossDomain:true, method:'get', url:server.domain +server.api + '/resumelogin' }).success(function(d){ console.log(d); }) </code>
chrome控制台打印Refused to set unsafe header "cookie"
这个问题看了下,stackoverflow上有答案不过也含含糊糊的
================================
现在已经没什么想法了,真不知道我这个想法是不是不对?是不是应该换个思路去做这个事呢?怎么保存登陆用户的状态?
回复内容:
最近试着做hybird app,遇到的第一件事就是跨域session丢失的问题,不知道手机客户端现在都流行怎么做登陆状态保存?有哪个大牛愿意说说吗?
我遇到这个问题想到的方法是,php验证通过后session设置的session id是存在cookie里面,那我直接在验证通过以后用session_id()(这个函数会返回设置的sessionid)把值打印出来,然后客户端可以直接取到。。。
但是这之后就出问题了,我用
<code>document.cookie = 'PHPSESSID='+返回的sessionid </code>
这样设置的cookie 的作用域是当前域名下的当前路径
设置好后可以在chrome里看到,然后夸域请求页面,发现没有带cookie....
至此我觉得是因为domain设置的不对所欲带不上cookie然后,我在后面加domain path就不会设置成功
<code>document.cookie = 'PHPSESSID='+返回的sessionid +‘;domain=a.com;path=’test/ </code>
这样做了后刷新页面后发现不能设置cookie了(可能是chrome出于安全考虑吧)。
我确定服务器端是设置好的,就是这里用ajax不能设置cookie,然后网上查了查,说ajax可以自己设置cookie我就照做了
<code> $http({ headers:{ cookie:'PHPSESSID=192fac5eb0b9970dfedbb20773013e91' }, xhrFields: { withCredentials: true }, crossDomain:true, method:'get', url:server.domain +server.api + '/resumelogin' }).success(function(d){ console.log(d); }) </code>
chrome控制台打印Refused to set unsafe header "cookie"
这个问题看了下,stackoverflow上有答案不过也含含糊糊的
================================
现在已经没什么想法了,真不知道我这个想法是不是不对?是不是应该换个思路去做这个事呢?怎么保存登陆用户的状态?
不要用cookies做手机端的auth, 现在一般用OAuth2, 即token authentication。
简单的说流程就是
1. 客户端传登录信息(比如邮箱,密码)到服务器
2. 确认信息正确后,产生access token, 比较普遍的是JWT(JSON Web Token),给一个过期时间,然后传给用户
3. 客户端存着这个access token,每次发请求的时候都要把这个token放到header里面
为什么用这样子的access token是安全的,JWT的好处是什么,网上文章很多,随便贴一个https://stormpath.com/blog/the-ultimate-guide-to-mobile-api-security/

To protect the application from session-related XSS attacks, the following measures are required: 1. Set the HttpOnly and Secure flags to protect the session cookies. 2. Export codes for all user inputs. 3. Implement content security policy (CSP) to limit script sources. Through these policies, session-related XSS attacks can be effectively protected and user data can be ensured.

Methods to optimize PHP session performance include: 1. Delay session start, 2. Use database to store sessions, 3. Compress session data, 4. Manage session life cycle, and 5. Implement session sharing. These strategies can significantly improve the efficiency of applications in high concurrency environments.

Thesession.gc_maxlifetimesettinginPHPdeterminesthelifespanofsessiondata,setinseconds.1)It'sconfiguredinphp.iniorviaini_set().2)Abalanceisneededtoavoidperformanceissuesandunexpectedlogouts.3)PHP'sgarbagecollectionisprobabilistic,influencedbygc_probabi

In PHP, you can use the session_name() function to configure the session name. The specific steps are as follows: 1. Use the session_name() function to set the session name, such as session_name("my_session"). 2. After setting the session name, call session_start() to start the session. Configuring session names can avoid session data conflicts between multiple applications and enhance security, but pay attention to the uniqueness, security, length and setting timing of session names.

The session ID should be regenerated regularly at login, before sensitive operations, and every 30 minutes. 1. Regenerate the session ID when logging in to prevent session fixed attacks. 2. Regenerate before sensitive operations to improve safety. 3. Regular regeneration reduces long-term utilization risks, but the user experience needs to be weighed.

Setting session cookie parameters in PHP can be achieved through the session_set_cookie_params() function. 1) Use this function to set parameters, such as expiration time, path, domain name, security flag, etc.; 2) Call session_start() to make the parameters take effect; 3) Dynamically adjust parameters according to needs, such as user login status; 4) Pay attention to setting secure and httponly flags to improve security.

The main purpose of using sessions in PHP is to maintain the status of the user between different pages. 1) The session is started through the session_start() function, creating a unique session ID and storing it in the user cookie. 2) Session data is saved on the server, allowing data to be passed between different requests, such as login status and shopping cart content.

How to share a session between subdomains? Implemented by setting session cookies for common domain names. 1. Set the domain of the session cookie to .example.com on the server side. 2. Choose the appropriate session storage method, such as memory, database or distributed cache. 3. Pass the session ID through cookies, and the server retrieves and updates the session data based on the ID.


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