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Cum s-ar putea parsa xeeber.com ?

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How does it work?

When you make a query, this website connects to a Java backend using PHP and Ajax technology! The backend uses YMSG protocol to connect to Yahoo! Messenger server and logs in multiple Yahoo! bots. Every time you make a query one of those bots sends a special packet to Yahoo! Server which has different responses for Offline and Invisible, and that way our program finds out the user's real status.

e destul de clar .

Daca stai cu un sniffer cand te scanezi pe site vezi si cam ce pachete primesti de la yahoo.

ce-am primit eu au service 00 c1 (YAHOO_SERVICE_PICTURE_UPDATE)

sau 00 be (YAHOO_SERVICE_PICTURE) dar nu sunt sigur ca asta-i "miezu" sau is folosite doar ca sa iti ia display image-u (avataru) .

Sau poate foloseste la amandoua ca vad ca eu ii raspund cu un link de genu

http://f3.yahoofs.com/msgr/idmeu/.friend_icon.png?mslhdsHBVlLLxjAC

daca is pe invisibile avand YAHOO_STATUS_BRB

daca is online ,nici nu mai trimite nimic probabil ma verifica intai cu linku ala de la yahoo pentru online/offline sau ceva de genu .

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la prima vedere xeeber merge in felul urmator:

-Intai verifica "opi.yahoo.com", daca userul apare online atunci e chiar online si nu mai continua

-Daca apare offline atunci logheaza un bot si trimite un pachet astfel:

Service=YAHOO_SERVICE_PICTURE_UPDATE (0xC1)

"1":"id bot"

"5":"userul"

"206":"2"

-Daca primeste un reply de genul:

"4":"userul"

"5":"id bot"

"13":"1"

atunci userul e invizibil (acest reply e trimis indiferent daca e available sau invizibil atata timp cat userul este online)

-Daca primeste un pachet

"66":"1"

atunci userul e offline

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Da . Xeeber nu se bazeaza pe siturile Yahoo! . In prima faza cauta acolo sa vada daca esti online , si daca apari acolo , atunci esti sigur on .

Abia daca acolo nu apari online , xeeber incearca sa vada daca esti invizibil cu ajutorul pachetelor .

Daca nu esti nici online , nici invizibil , guess what ? You're offline :)

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