Method to obtain file type information

Afrina022

Stores the name type etc. The body section contains the actual content. To create a simple QHttpPart text not part of a file you can use the following function. QHttpPart DataSender createPart const QString &header const QString &body QHttpPart partHeader QNetwUtf return part In order to invoke it properly you need to look at the headers captured by tcpdump e.g. form data name="entry[name " to send an entry in the name field. Creating part of a file Sending files is a bit more complicated than sending plain text but still relatively easy thanks to the solutions provided by QT. Now let's look at the header Content Disposition form data name="entry[file " filename="Screenshot at . . .png" Content Type image png As you can see in the example above in addition to the form name you also need to include the file name type and the file itself.

Return part Note that this example uses a very simple . Namely its extension was taken into account. Tying everything together As mentioned earlier a multipart query consists of many parts. Now you need to connect them together. For this purpose the QHttpMultipart function will be used QHttpMultiPart DataSender Country Email List prepareMultipart QHttpMultiPart multiPart = new QHttpMultiPart QHttpMultiPart FormDataType multiPart append createPart "form data name="entry[name "" this name multiPart append createPart "form data name="entry[text "" this text QFile file this filepath file.open QIODevice ReadOnly if file.isOpen multiPart append createFilePart "form data name="entry[file &file return multiPart As you can see it is very simple just create several parts and connect them together into one large query. If you use.




RoR to handle this query the order of the individual query fragments does not matter! I'm not sure how this will work when using other programming languages ​​and frameworks. CSRF token By default Rails prohibits the use of the post delete and patch methods without a prior session. This is a kind of protection against CSRF Cross Site Request Forgery attacks. You can read more about this here . Unfortunately in our case it will be necessary to use the POST method when there is no active session. To disable CSRF protection for one method use skip before action verify authenticity token inside the controller. Of course you can disable this feature only for the duration.