423,688 Members | 1,889 Online
Bytes IT Community
+ Ask a Question
Need help? Post your question and get tips & solutions from a community of 423,688 IT Pros & Developers. It's quick & easy.

Help with encrypted web pages?

P: n/a
I am trying to write a personal spider to crawl through websites and create
a highly specialized personal list of sites and pages that I may like to see
based on preferences that I have supplied. I have found some interesting
pages - interesting in the fact that they use javascript to encrypt the
pages to block people from ?stealing thier content?.

There are javascript tricks that you can use on the downloaded encrypted
page to get around these irritations. You have to run a javascript line in
the browsers address line and you get another window with the unencrypted
HTML in it. But, I want to see the HTML unencrypted without downloading
every image, wav, activex object and flash thingy on the page into an actual
webbrowser control. Utilizing a webbrowser control for this, and having to
dl all images and such would dramatically decrease the speed the spider can
crawl at.

An example of an encrypted page can be found at
http://www.aw-soft.com/htmlguard-sample.html. A simple Javascript way to
defeat it is by pasting
"javascript:window.open('about:blank').document.wr ite('<pre>' +
document.documentElement.outerHTML.replace(/</g, '&lt;') + '</pre>')" in the
IE address bar and clicing GO.

I have no interest in (or drive space for) mass web page content theft.

But, is there anything in the .Net framework that will help with viewing an
encrypted web page's source for my spider? It seems I need to be able to
run Javascript to decode the page into readable HTML.....but, as I may have
said, I am only after the HTML....I really don't want to DL the pics and all
that other stuff - it kills my speed.

Any ideas?
Oct 5 '06 #1
Share this Question
Share on Google+
7 Replies


P: n/a
"smerf" <sm***@shroom.comwrote in
news:zE******************@bignews2.bellsouth.net:
But, is there anything in the .Net framework that will help with
viewing an encrypted web page's source for my spider? It seems I need
to be able to run Javascript to decode the page into readable
HTML.....but, as I may have said, I am only after the HTML....I really
don't want to DL the pics and all that other stuff - it kills my
speed.
No, you'll need to run the javascript to decode it.
Oct 5 '06 #2

P: n/a
Hello smerf,

If you studied the js and did a lil investigation you could easily figure
this out.

Here's some of the guts to get you started:

function p(y) {
var d='',i,r,m,g;
for(i=1;i<=y.length;i++) {
r=y.charAt(i-1);
m=b.indexOf(r);
if(m>-1) {
g=((m+1)%n-1);
if(g<=0) {
g+=n
}
d+=b.charAt(g-1)
} else {
d+=r
}
}
k+=d
};

function fff() {
document.write(k);e=""
}
-Boo
I am trying to write a personal spider to crawl through websites and
create a highly specialized personal list of sites and pages that I
may like to see based on preferences that I have supplied. I have
found some interesting pages - interesting in the fact that they use
javascript to encrypt the pages to block people from ?stealing thier
content?.

There are javascript tricks that you can use on the downloaded
encrypted page to get around these irritations. You have to run a
javascript line in the browsers address line and you get another
window with the unencrypted HTML in it. But, I want to see the HTML
unencrypted without downloading every image, wav, activex object and
flash thingy on the page into an actual webbrowser control. Utilizing
a webbrowser control for this, and having to dl all images and such
would dramatically decrease the speed the spider can crawl at.

An example of an encrypted page can be found at
http://www.aw-soft.com/htmlguard-sample.html. A simple Javascript way
to defeat it is by pasting
"javascript:window.open('about:blank').document.wr ite('<pre>' +
document.documentElement.outerHTML.replace(/</g, '&lt;') + '</pre>')"
in the IE address bar and clicing GO.

I have no interest in (or drive space for) mass web page content
theft.

But, is there anything in the .Net framework that will help with
viewing an encrypted web page's source for my spider? It seems I need
to be able to run Javascript to decode the page into readable
HTML.....but, as I may have said, I am only after the HTML....I really
don't want to DL the pics and all that other stuff - it kills my
speed.

Any ideas?

Oct 5 '06 #3

P: n/a
Code is not what I need. I need a JavaScript Interpreter that I can include
in my app. Then I could rab the HTML (encoded or not) and run the
javascript to decode the HTML page.

But I can't find one that I can include with my app.

Of course, even if I did this, there's also VBscript Encoding and God only
knows what else to contend with......

I may just be relegated to doing it the slow way. Even then, it seems that
there should be some way to tell webbrowser control to load a page into the
DOM but not to retrieve images or audio or (*insert bandwidth wasting object
name here*).

Can you turn off DL everything but the text in a webbrowser control?

I just want the unencrypted, unobfuscated HTML code to scan. Nothing else.
"GhostInAK" <gh*******@gmail.comwrote in message
news:be**************************@news.microsoft.c om...
Hello smerf,

If you studied the js and did a lil investigation you could easily figure
this out.

Here's some of the guts to get you started:

function p(y) {
var d='',i,r,m,g;
for(i=1;i<=y.length;i++) {
r=y.charAt(i-1);
m=b.indexOf(r);
if(m>-1) {
g=((m+1)%n-1);
if(g<=0) {
g+=n
}
d+=b.charAt(g-1)
} else {
d+=r
}
}
k+=d
};

function fff() {
document.write(k);e=""
}
-Boo
>I am trying to write a personal spider to crawl through websites and
create a highly specialized personal list of sites and pages that I
may like to see based on preferences that I have supplied. I have
found some interesting pages - interesting in the fact that they use
javascript to encrypt the pages to block people from ?stealing thier
content?.

There are javascript tricks that you can use on the downloaded
encrypted page to get around these irritations. You have to run a
javascript line in the browsers address line and you get another
window with the unencrypted HTML in it. But, I want to see the HTML
unencrypted without downloading every image, wav, activex object and
flash thingy on the page into an actual webbrowser control. Utilizing
a webbrowser control for this, and having to dl all images and such
would dramatically decrease the speed the spider can crawl at.

An example of an encrypted page can be found at
http://www.aw-soft.com/htmlguard-sample.html. A simple Javascript way
to defeat it is by pasting
"javascript:window.open('about:blank').document.w rite('<pre>' +
document.documentElement.outerHTML.replace(/</g, '&lt;') + '</pre>')"
in the IE address bar and clicing GO.

I have no interest in (or drive space for) mass web page content
theft.

But, is there anything in the .Net framework that will help with
viewing an encrypted web page's source for my spider? It seems I need
to be able to run Javascript to decode the page into readable
HTML.....but, as I may have said, I am only after the HTML....I really
don't want to DL the pics and all that other stuff - it kills my
speed.

Any ideas?


Oct 5 '06 #4

P: n/a
Smerf,

Do you really think that we are supplying code here to hack peoples Email
adresses to help spammers?

It is a fool who supplies that.

Cor

"smerf" <sm***@shroom.comschreef in bericht
news:zE******************@bignews2.bellsouth.net.. .
>I am trying to write a personal spider to crawl through websites and create
a highly specialized personal list of sites and pages that I may like to
see based on preferences that I have supplied. I have found some
interesting pages - interesting in the fact that they use javascript to
encrypt the pages to block people from ?stealing thier content?.

There are javascript tricks that you can use on the downloaded encrypted
page to get around these irritations. You have to run a javascript line
in the browsers address line and you get another window with the
unencrypted HTML in it. But, I want to see the HTML unencrypted without
downloading every image, wav, activex object and flash thingy on the page
into an actual webbrowser control. Utilizing a webbrowser control for
this, and having to dl all images and such would dramatically decrease the
speed the spider can crawl at.

An example of an encrypted page can be found at
http://www.aw-soft.com/htmlguard-sample.html. A simple Javascript way to
defeat it is by pasting
"javascript:window.open('about:blank').document.wr ite('<pre>' +
document.documentElement.outerHTML.replace(/</g, '&lt;') + '</pre>')" in
the IE address bar and clicing GO.

I have no interest in (or drive space for) mass web page content theft.

But, is there anything in the .Net framework that will help with viewing
an encrypted web page's source for my spider? It seems I need to be able
to run Javascript to decode the page into readable HTML.....but, as I may
have said, I am only after the HTML....I really don't want to DL the pics
and all that other stuff - it kills my speed.

Any ideas?

Oct 6 '06 #5

P: n/a
And if I was looking to "hack", do you think I would have come here instead
of alt.hack or one of a thousand websites with black art experts?

Get a life Cor.

"Cor Ligthert [MVP]" <no************@planet.nlwrote in message
news:eh**************@TK2MSFTNGP02.phx.gbl...
Smerf,

Do you really think that we are supplying code here to hack peoples Email
adresses to help spammers?

It is a fool who supplies that.

Cor

"smerf" <sm***@shroom.comschreef in bericht
news:zE******************@bignews2.bellsouth.net.. .
>>I am trying to write a personal spider to crawl through websites and
create a highly specialized personal list of sites and pages that I may
like to see based on preferences that I have supplied. I have found some
interesting pages - interesting in the fact that they use javascript to
encrypt the pages to block people from ?stealing thier content?.

There are javascript tricks that you can use on the downloaded encrypted
page to get around these irritations. You have to run a javascript line
in the browsers address line and you get another window with the
unencrypted HTML in it. But, I want to see the HTML unencrypted without
downloading every image, wav, activex object and flash thingy on the page
into an actual webbrowser control. Utilizing a webbrowser control for
this, and having to dl all images and such would dramatically decrease
the speed the spider can crawl at.

An example of an encrypted page can be found at
http://www.aw-soft.com/htmlguard-sample.html. A simple Javascript way to
defeat it is by pasting
"javascript:window.open('about:blank').document.w rite('<pre>' +
document.documentElement.outerHTML.replace(/</g, '&lt;') + '</pre>')" in
the IE address bar and clicing GO.

I have no interest in (or drive space for) mass web page content theft.

But, is there anything in the .Net framework that will help with viewing
an encrypted web page's source for my spider? It seems I need to be able
to run Javascript to decode the page into readable HTML.....but, as I may
have said, I am only after the HTML....I really don't want to DL the pics
and all that other stuff - it kills my speed.

Any ideas?


Oct 6 '06 #6

P: n/a
Smerf,

You take it very personally. If we supply that code it is free on Internet.
One search on Google would make our hiding of emailadresses without sense.

Why do you take it so personal, I thought that there was nothing personal in
my reply.

Cor

"smerf" <sm***@shroom.comschreef in bericht
news:RI*******************@bignews7.bellsouth.net. ..
And if I was looking to "hack", do you think I would have come here
instead of alt.hack or one of a thousand websites with black art experts?

Get a life Cor.

"Cor Ligthert [MVP]" <no************@planet.nlwrote in message
news:eh**************@TK2MSFTNGP02.phx.gbl...
>Smerf,

Do you really think that we are supplying code here to hack peoples Email
adresses to help spammers?

It is a fool who supplies that.

Cor

"smerf" <sm***@shroom.comschreef in bericht
news:zE******************@bignews2.bellsouth.net. ..
>>>I am trying to write a personal spider to crawl through websites and
create a highly specialized personal list of sites and pages that I may
like to see based on preferences that I have supplied. I have found some
interesting pages - interesting in the fact that they use javascript to
encrypt the pages to block people from ?stealing thier content?.

There are javascript tricks that you can use on the downloaded encrypted
page to get around these irritations. You have to run a javascript line
in the browsers address line and you get another window with the
unencrypted HTML in it. But, I want to see the HTML unencrypted without
downloading every image, wav, activex object and flash thingy on the
page into an actual webbrowser control. Utilizing a webbrowser control
for this, and having to dl all images and such would dramatically
decrease the speed the spider can crawl at.

An example of an encrypted page can be found at
http://www.aw-soft.com/htmlguard-sample.html. A simple Javascript way
to defeat it is by pasting
"javascript:window.open('about:blank').document. write('<pre>' +
document.documentElement.outerHTML.replace(/</g, '&lt;') + '</pre>')" in
the IE address bar and clicing GO.

I have no interest in (or drive space for) mass web page content theft.

But, is there anything in the .Net framework that will help with viewing
an encrypted web page's source for my spider? It seems I need to be
able to run Javascript to decode the page into readable HTML.....but, as
I may have said, I am only after the HTML....I really don't want to DL
the pics and all that other stuff - it kills my speed.

Any ideas?



Oct 6 '06 #7

P: n/a
"Do you really think that we are supplying code here to hack peoples Email
adresses to help spammers?"

I was the one requesting the help. So, you basically accused me of being a
spammer. You assumed the code would be used for crap like email
collections - that we ALL (me included) HATE. (If I had my way, we could
all kill spammers and hackers in the streets.)

If you had simply meant that *others* may use it for such, you could have
offered help via email or some other venue. (My guess is that you have no
such code - which makes your accusation even more personal.)

You shoud be more careful in how you reply to others' posts.

I would never assume the worst of someone I didn't know all the facts. If I
thought the info they were asking for was inappropriate, I would simply keep
moving. I wouldn't reply at all. Maybe you should do the same.

And, FYI, there are ways to obfuscate only your email addresses, in web
pages, that help to hide them from bots. Personally, I don't even post my
email address on my sites in the HTML. It is on the page as a
human-readable image.

If someone wants to email me, they have to type in my email address or use
the reply form on the site that sends me an email from server side script -
also effectively hiding my email address.

Now, move along. I have work to do.

"Cor Ligthert [MVP]" <no************@planet.nlwrote in message
news:eA**************@TK2MSFTNGP02.phx.gbl...
Smerf,

You take it very personally. If we supply that code it is free on
Internet. One search on Google would make our hiding of emailadresses
without sense.

Why do you take it so personal, I thought that there was nothing personal
in my reply.

Cor

"smerf" <sm***@shroom.comschreef in bericht
news:RI*******************@bignews7.bellsouth.net. ..
>And if I was looking to "hack", do you think I would have come here
instead of alt.hack or one of a thousand websites with black art experts?

Get a life Cor.

"Cor Ligthert [MVP]" <no************@planet.nlwrote in message
news:eh**************@TK2MSFTNGP02.phx.gbl...
>>Smerf,

Do you really think that we are supplying code here to hack peoples
Email adresses to help spammers?

It is a fool who supplies that.

Cor

"smerf" <sm***@shroom.comschreef in bericht
news:zE******************@bignews2.bellsouth.net ...
I am trying to write a personal spider to crawl through websites and
create a highly specialized personal list of sites and pages that I may
like to see based on preferences that I have supplied. I have found
some interesting pages - interesting in the fact that they use
javascript to encrypt the pages to block people from ?stealing thier
content?.

There are javascript tricks that you can use on the downloaded
encrypted page to get around these irritations. You have to run a
javascript line in the browsers address line and you get another window
with the unencrypted HTML in it. But, I want to see the HTML
unencrypted without downloading every image, wav, activex object and
flash thingy on the page into an actual webbrowser control. Utilizing
a webbrowser control for this, and having to dl all images and such
would dramatically decrease the speed the spider can crawl at.

An example of an encrypted page can be found at
http://www.aw-soft.com/htmlguard-sample.html. A simple Javascript way
to defeat it is by pasting
"javascript:window.open('about:blank').document .write('<pre>' +
document.documentElement.outerHTML.replace(/</g, '&lt;') + '</pre>')"
in the IE address bar and clicing GO.

I have no interest in (or drive space for) mass web page content theft.

But, is there anything in the .Net framework that will help with
viewing an encrypted web page's source for my spider? It seems I need
to be able to run Javascript to decode the page into readable
HTML.....but, as I may have said, I am only after the HTML....I really
don't want to DL the pics and all that other stuff - it kills my speed.

Any ideas?



Oct 6 '06 #8

This discussion thread is closed

Replies have been disabled for this discussion.