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api - How do I download a file using VBA (without Internet Explorer) - Stack Overflow
Sometimes our VB Applications needs to interact with websites. Downloading a file through a url is a typical example. Here below is a code which you can use to download a file through a url. How to: Download a File in Visual Basic. 07/20/; 2 minutes to read +5; In this article. The DownloadFile method can be used to download a remote file and store it to a specific location. If the ShowUI parameter is set to True, a dialog box is displayed showing the progress of the download and allowing users to cancel the blogger.com default, existing files having the same name are not. Mar 01, · So I wrote a function that takes file url, it gets rid of the false extension, based on the file url sets proper file path and passes those to arguments to the URLDownloadToFile function. The problem is that in order to download the file you have to be logged in to the website.
Vba download file from url with password
Well, yes and no. Here's the deal and why it's not so straight forward. That doesn't really have anything to do with passwords or logins as such. What SSL does is set up an encrypted connection between a web client and server so that no information is sent between the two "in the clear" -- using unencrypted transmissions, vba download file from url with password.
If the information includes login and password information, encrypting the transmission protects them from prying eyes I used the phrase "by convention" because the real security technology is SSL.
HTTPS only signals to the server that the client plans on using that protocol. SSL can be used in a variety of other ways. Server, let's shake hands over this encryption thing so that whatever we say from now on won't get intercepted by vba download file from url with password bad guy. And when that's done, go ahead and send me the page addressed by the URL. The server will send back the key information for setting up an SSL connection. It's up to your computer to actually do something with it.
That's 'key' pun But if the VBA just opens the web page as a file and reads the information in it into cells in a spreadsheet a very common exampleExcel won't do that without some additional programming. The server's gracious offer to shake hands and set up secure SSL communication just gets ignored by Excel. To prove it, let's use the SSL connection that is used by Google's Gmail service which starts with "https" and code a call vba download file from url with password open that connection just like it was a file.
This reads the web page like it was a simple file. The goal of SSL connections is to exchange information, not just read a web page, so this is normally not going to get you very far. It's mainly used as one of the major components of Internet Explorer, but you can use it directly from your code as well and you can use it for HTTPS. Writing the code to use WinInet is at least a medium difficulty task.
In general, the steps involved are:. You can do vba download file from url with password or the other, or both, vba download file from url with password. In many cases, they do go together, but not always.
If, for example, the login and password are part of a web form, then you might have to figure out the names of the fields and update the fields from Excel VBA before "posting" the login string to the server.
Responding correctly to a web server's security is a big part of what a web browser does. The bottom line is that using https and logging into a server from an Excel VBA program is possible, but don't expect to write the code that does it in just a few minutes. Share Flipboard Email. Dan Mabbutt. Computer Science Expert.
He co-authored two books on the subject. Updated April 12, Connect to the HTTPS server and send an HTTPS request If the server asks for a signed client certificate, resend the request after attaching the certificate context If the server is satisfied, the session is authenticated.
Learn Excel - Video 598 - VBA - WEB SCRAPING - How to Login on website
, time: 19:51Vba download file from url with password
Nov 04, · There are a number ways to download files using VBA, including using an XMLHTTP request to stream the binary data or text associated with your file, and then using the SaveToFile method to finish saving the downloaded file. This is probably the most common way to download files, but we’re not going to do it this way. Apr 12, · 'Real' web browsers do that automatically and show you a little lock symbol in the status line to show you that it has been done. But if the VBA just opens the web page as a file and reads the information in it into cells in a spreadsheet (a very common example), Excel won't do that without some additional programming. How to: Download a File in Visual Basic. 07/20/; 2 minutes to read +5; In this article. The DownloadFile method can be used to download a remote file and store it to a specific location. If the ShowUI parameter is set to True, a dialog box is displayed showing the progress of the download and allowing users to cancel the blogger.com default, existing files having the same name are not.
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