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WinINet API for Gopher, FTP, and HTTP Interaction

WinINet API abstracts Gopher, FTP, and HTTP protocols, providing a standard file IO interface. It leverages underlying sockets interface and emulator to access the network and offers features like caching, history, cookie management, authentication, connections, and protocol management.

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WinINet API for Gopher, FTP, and HTTP Interaction

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  1. WinINet Windows Internet

  2. What is WinINet? • WinINET API enables applications to interact with the Gopher, FTP and HTTP protocols • Abstracts these protocols into interface that resembles standart file IO • WinINet leverages the underlying sockets interface and emulator to access the network

  3. WININET.DLL • Main dll, exposes Windows Internet API • Caching, History, Cookie Management • Authentication – Basic, NTLM, Kerberos • Connections – Both secure (schannel) and non-secure • Dial-up, Direct, Proxy • Protocol and HTTP header management

  4. URLMON.DLL • Support library for WinINet • URL Parsing – breaking down URLs into the protocol used (HTTP, HTTPS, FTP, File, Gopher), address, and target. • GZIP compression/decompression • Security and Zone Management • Asynchronous Pluggable Protocol Filter/Handler – correlates appropriate the protocol to the registered handler (HTTP, HTTPS, MAILTO, FILE, etc.). • Code Download Management, Install On Demand, and Just-In-Time. • Forms requests from the URL – creates the outbound data package and hands it off to WININET for transfer. • MIME (Multipurpose Internet Mail Extension) type management – examines the MIME type for data returned in an HTTP response and correlates that type with a specific handler

  5. Common programs which use WinINet • Internet Explorer • Windows Media Player

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