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Using SSL on HttpURLConnection

 
Sebastian Janisch
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posted 15 years ago
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hello,

i'm just wondering how i would be able to send a form that is sent via SSL using the openConnection() function of the URL object ?


thanks

JDBCSupport - An easy to use, light-weight JDBC framework -

 
Ulf Dittmer
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You would use the javax.net.ssl.HttpsURLConnection class, not java.net.HttpURLConnection.
 
Rob Spoor
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posted 15 years ago
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Which means using https as the URL protocol, not http.

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Sebastian Janisch
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yeah but isnt there more to it than just typing new URL("https://website.com").openConnection() ??

JDBCSupport - An easy to use, light-weight JDBC framework -

 
Ulf Dittmer
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A bit more, unless the server certificate is part of the client's truststore already. But you can turn off certificate validation. See e499 and e502 in http://www.exampledepot.com/egs/javax.net.ssl/pkg.html for more details.
 
Sebastian Janisch
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hey,

i found an example online but it doesnt seem to work

here is the code




i was using this studi webpage to test .. it is the page the login form will be validated .. i didnt send any login data in the body but still
it should give me a different response than this

JDBCSupport - An easy to use, light-weight JDBC framework -

 
Ulf Dittmer
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It probably has nothing to do with this problem, but: Don't println to a Socket
 
Sebastian Janisch
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i changed it to



but it doesnt change anything

JDBCSupport - An easy to use, light-weight JDBC framework -

 
Ulf Dittmer
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Are you sure POST is the right method to use? For accessing a page, GET seems likelier.
 
Sebastian Janisch
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the page specified is the target of a form action for a login form so it's post ..

here thats the original tag

JDBCSupport - An easy to use, light-weight JDBC framework -

 
Ulf Dittmer
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OK, but if it's part of a form then there should be other parameters, like username and password, no? The code you posted doesn't send those, which might well explain the server error.
 
Sebastian Janisch
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i thought that w/o sending parameters there would be a generated error message for the user and no server error ....

how would i write post data ... same as i would with a regular http post request using outputstream ?

JDBCSupport - An easy to use, light-weight JDBC framework -

 
Carey Evans
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That particular error you’re getting is because that is, in fact, an invalid HTTP 1.1 request. I strongly recommend using a tested client API instead of trying to do HTTP yourself, like URL.openConnection() or the Jakarta Commons HttpClient.

There is a quite a lot to do to implement HTTP 1.1 POST correctly, like including the correct Host, Connection, Date, Content-Type and Content-Length headers, encoding the query parameters, handling chunked encoding in replies that the one you included, etc. The HttpClient PostMethod will do all this for you.
 
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