JavaScript Troubles
in [JavaScript]
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From: Cerebral Believer on 8 Oct 2006 09:17 "VK" <schools_ring(a)yahoo.com> wrote in message news:1160253292.343367.33440(a)c28g2000cwb.googlegroups.com... > > Cerebral Believer wrote: >> function SymError() >> { >> return true; >> } >> >> window.onerror = SymError; >> >> var SymRealWinOpen = window.open; >> >> function SymWinOpen(url, name, attributes) >> { >> return (new Object()); >> } >> >> window.open = SymWinOpen; > <snip> >> As you can see, the begginings and endings of the server side code are >> different to the code that was uploaded to the server from the local >> drive. >> Anyone any ideas on why this should be the case, and what the extra code >> should do? > > The code changes not during the upload, but when accessing the page in > your browser. Disable your McAffee virus protection and it will come > back to normal. McAffee - and some other antivirus programs - shadows > several native window methods by loopholes (bogus functions), so in > case if you have to take extra boring steps to restore the original > references. (In my strong opinion some ears should be cut off for that > idea - and what a hell say window error collector has to do with a > virus protection?) > >> OK, I can view my pages fine in Firefox and Netscape, also IE 6.0 (and >> have >> had reports to the same effect), but a user using IE 7.1 has reported >> that >> when he views my pages he gets a security warning, saying "Do you want to >> allow this website to access your clipboard". > > That is nothing to do with with the "antivirus" vandalism, you must be > using some methods in your original code which are restricted for usage > in IE7. > Thanks for the infor VK, that has set my mind at rest. Regards, C.B.
From: Cerebral Believer on 8 Oct 2006 09:19 "Richard Cornford" <Richard(a)litotes.demon.co.uk> wrote in message news:eg9b9c$24f$1$8302bc10(a)news.demon.co.uk... > Cerebral Believer wrote: >> I am having some issues using a program that protects my >> web pages (to a degree) using JavaScript (to print >> screen/disable clipboard, caching text selection etc). > <snip> > > Any attempt to cripple the facilities of the user's browser represent an > abuse, and all facilities that are employed abusively are likely to be > withdrawn over time. When these facilities are withdrawn or restricted > much that could have been usefully employed will be lost with them (and > lost to everyone). It is best to learn from history and not write or use > abusive scripts. > >> ... - the pages on the rest of the site employ a similar >> code, and also trigger security alerts for some reason in >> IE7.1, but they were not designed to access clipboards, but >> to stop people from doing screen captures while on my >> site. > <snip> > > Browsers provide no mechanism that will prevent the use of the clipboard > by the user. the only technique ever proposed that could make the user's > attempts to use their clipboard non-viable is for the script to be > continuously writing to the clipboard (thus overwriting anything that had > been added by the user. Obviously constantly writing to the clipboard is > accessing the clipboard and will trigger IE security alerts if their > security settings for the significant zone have clipboard access set to > "prompt". Clearly the default setting for scripted access to the > clipboard have been changed between IE 6 and 7, possibly prompted by > exactly this sort of script as its side effect is to destroy data that > belongs to the user without consent or warning. OK - I tested a few things out, I typed some meaning less data in notepad, and then copied it to the clipboard, opened several browesrs, I couldn't paste the text again until I had closed IE, but when tested with Firefox and Navigator, I could copy and pase as normal. Thanks for your explaniation it was a very helpful insight. Regards. CB
From: Cerebral Believer on 8 Oct 2006 09:20 "Hywel Jenkins" <hywel.jenkins(a)gmail.com> wrote in message news:MPG.1f92f4d6cd0e1fcb989692(a)news.eclipse.net.uk... > In article <vbPVg.5985$gO3.4213(a)newsfe7-win.ntli.net>, > nospamthanks(a)hadenoughalready.com says... >> Hi folks, >> >> I am having some issues using a program that protects my web pages (to a >> degree) using JavaScript (to print screen/disable clipboard, caching text >> selection etc). Below is the code for the page after it has been >> encrypted >> on the local machine: > > Oh dear. You've wasted your time. Very helpful thanks! Regards, C.B.
From: Cerebral Believer on 8 Oct 2006 09:21 "kudzai" <iwd.kudzai(a)gmail.com> wrote in message news:1160312110.384750.326560(a)h48g2000cwc.googlegroups.com... >I visited this page > http://www.futurebydesign-music.com/htmlprot/test.html, and sure enough > I couldn't highlight the text. > > Then I disabled Javascript without reloading the page. Now I could > highlight and copy the text. I was using Firefox 1.5.0.7. Wow, Would you like an extra star on your birthday cake? Regards, C.B.
From: kudzai on 9 Oct 2006 18:30
Cerebral Believer wrote: > "kudzai" <iwd.kudzai(a)gmail.com> wrote in message > news:1160312110.384750.326560(a)h48g2000cwc.googlegroups.com... > >I visited this page > > http://www.futurebydesign-music.com/htmlprot/test.html, and sure enough > > I couldn't highlight the text. > > > > Then I disabled Javascript without reloading the page. Now I could > > highlight and copy the text. I was using Firefox 1.5.0.7. > > Wow, > > Would you like an extra star on your birthday cake? > > Regards, > C.B. Just trying to point out that this protection of yours appears faulty. But, hey, disregard my comment if its that offensive. kudzai. |