Captcha using TTF & GD

[a_berezin]

Read this post - http://www.zen-cart.com/forum/showpo...&postcount=367

[KADesign]

Hi All,

I was searching the forums to see why my image isn't showing up either. I have two sites both exactly the same but with wholesale pricing on one and retail on another. The captcha works fine on the retail but not the wholesale.

One thing I figured out is if you have the site set to not allow browsing with out log-in and authorization, the image does not show up on the contact us or create account. But once logged into an account that is authorized to browse and see prices, it works.
This is all well and good except that you can't create an account unless the captcha is turned off.

Anyway...I just thought I would share in the event that others may have a similar set up and haven't yet figured out why this is happening. Now...anyone have a clue what to do??
Unfortunately I don't...

Thanks,
Kelly

[zilog357]

Hi guys. I am having the same "Enable this Image" error. When I first installed the captcha, it worked fine, but after some weeks of mods, it stopped functioning.

When I do the direct test, it generates the image code in ASCII. and shows the parameters at the end of the page (not sure if this is normal). If I link directly to captcha_img.php, it asks for "Open" or "Download" the image. If I hit "Open", the program that opens images on my PC "MS Photo Editor", it shows "Can't Determine Type". If I choose to save it, when I try to open the saved file, the same error comes up.

I just opened the saved image in a Hex editor, to have an idea what type of file it's being saved and found out that some how, a space character (Hex "0020h" or Decimal "32") in being inserted as the first byte in the image file. If I delete the first byte of the image file in the hex editor and save it, it opens fine in the image editor, showing all the previously set parameter (tilt angle, num. or chars, size, etc.). That is, the jpg image file seen in a Hex editor would look like "FF, D8, FF, E0, etc.", but it is being saved as "20, FF, D8, FF, E0, etc.".

Of course, that is for the "jpg" option. Not sure if the same happens with the other image options, but at least I have tried all and no one shows up.

May the image generating routine is somehow inserting that extra blank character or space byte at the beginning of the file and that is why it is no longer showing up in my case. The thing is that I really have no way of troubleshooting it as I am not familiar with the method used by this Captcha and I'm a bit short on PHP knowledge.

I hope someone can come up with a fix as this is extremely important to stop automated activity in our pages.

Best regards,

Richard

[a_berezin]

May the image generating routine is somehow inserting that extra blank character or space byte at the beginning of the file

No, that's your problem. Look for a space at the beginning or end of other files. Which you recently edited or fixed.
Tried to use captcha_debug.php?

[zilog357]

Hello. Thanks for your reply Andrew.

The following comes up when I use the debug utility. There is an ascii code instead of the image file (without the space I mentioned in the header) and then the parameters list at the end.

Is this a normal debug result? Or should I see the image instead of the equivalent ascii?

The results are shown bellow.

Thanks again.


ÿØÿàJFIFÿþ>CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), default quality ÿÛC $.' ",#(7),01444'9=82<.342ÿÛC 2!!22222222222222222222222222222222222222222222222222ÿÀ2ð"ÿÄ ÿĵ}!1AQa"q2�‘¡#B±ÁRÑð$3br‚ %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyzƒ„…†‡ˆ‰Š’“”•–—˜™š¢£¤¥¦§¨©ª²³´µ¶·¸¹º ÂÃÄÅÆÇÈÉÊÒÓÔÕÖ×ØÙÚáâãäåæçèéêñòóôõö÷øùúÿÄ ÿĵw!1AQaq"2�B‘¡±Á #3RðbrÑ $4á%ñ&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz‚ƒ„…†‡ˆ‰Š’“”•–—˜™š¢£¤¥¦§¨©ª²³´µ¶ ·¸¹ºÂÃÄÅÆÇÈÉÊÒÓÔÕÖ×ØÙÚâãäåæçèéêòóôõö÷øùúÿÚ ?õøìà™7î˜� yMrØ£ùÍSÕ;šñï¤HÕ¶Êea�œ±åçn÷=}jÃiîFù>Ì„‘†Hlçœÿ§áÒ¼ÿâÚ^ÚøDC¾b¼Š.ÕÇ8Îæ#)çÚ®1æi½Lkâ® £}«Èº ?ºÑy÷1,ŒÃv2Àr~�+=Õâ_à¾oÊöÁ &Ê�Œ:ŒôÈQý1^¾PeŽÝÑÁRpp€ã�´mä¨té�ƒŒ«ÁBV]A€\Jî‚Ÿ˜„ŽËϨuP>`OôÇ¡ÍŸ¶_E# £e%Õ>Ü9ãå@õë–?•1ÿr¿d•®A|"°”o@™¯+Žý:Ô3¹‰ÄköÒªÙmÈ$]¸'¨;xÛÿíÓ8 žyßË!ì."™†çòåÈÎ㌕`sÁëÎxõ¢9&Á�)‘ˆÌ˜ÜãIÚ¼À$g¨Îj¤ ¥»Dg¾µVùK2ü€{îŽ{�šKë»x¢k‹ËØ™mþyîUã%Pg¶ÐAí…'ñêj;_BÜÚ´/ 7n-##q’FRP�@ÚI#Iç· ó“/Ž<7 qªBÃ\H�»àŒ‚ÙÚrzcÀÏrkÌ®îuOkðY:H>U³0Ä+ÆIŽ$õçé]U§Âý9m<½Fk–•Ã0�rç†ô™cìGÇr@#‘õæ¢gžx¤’(„ü##'8çœ/¦3×®zÕX¬Ä�† pÛ¼Õ2Â2N0IàžsÎ?Jƒí³Ê##*A4Q o´0go°ù@psŸJ9‡Êl4*©\³ü’í‰ä;ˆ?À'®_|Rƒq·#0*ƒ¼®ÊÙÎ8õëÔu¬Æ—\ñ”Á@»VéÚ`r;ò1Ðôç½Ö¦mÍ—n ØIõb3ó ²ãðÿõ®aòšL"€¬Jàe™•·)ÇûdüÝÀlþTžV£¶Åå ¯s,AÉ+å:òxÎBävàãž+Ì~4Y[™4«�.{÷/ hÙYÝÞ6ŽGlæº�‡+}yà{)f,Ö劅(ÌûcŒûzuãŒñYV\ñö¨¨ß ##¶~|LÒ¬ùa¿§Ê;ŒçÏ9=Ï »+b?/ʲÇ+ŽçŒäœsÆ0* �9n�y.%xB–S²?˜»®Óž¹Æ*»i0Z³„ŠW2±%÷e ¸ïú’@®]CBìw›†·UX®p=Ø8ää\ þÈ|D?Ùž–8 *H謌Ƕp{ü§ ÚsïÒ+im÷ÒM;aÕ„…Îþ™ç8hëÎ:ó׊ø‘§mð©{u R¡¤°9©6ÜnçœçŽ:mBî¬oÜÖ‚^Ò>§'á=[CÐí.®®¡ÝF‹Ê ¤Ž§ö5°Ÿm#DA¥J°)Î昙1Üäc¸éÎ=SÀú“ªiòê²´é!�a–3³�CdŒõÚMáMòßìãG�Y¸ó“$�qŒ0OœŒWEyÐU:m�5 %IMó&Ëv:Ö‡©YEugç•„ù^bÈÉåž»IÝ…>Ü“Ž•§Û8 æ�/˜X©3ƒž„��\öãŸðíÝׄ¼mög�”}£ìóD‰!A=:^Þæ½n+»™BýžÙÖ OÌ�@à(õÆ<õæ¹ñ•)+=Æ©ò=6%¸öâá8D.<É@Óyƒç 8Ç=9ç¦MÄþXµ¸‰Õ[çxÔ¬`c8U$€xÏw稨Öö;—sç1PÙSå^Qò0p@ÏGuˆG©Þ,Ç}ʈÀ ²„ òH p9Çã\úú¬SA;3ùÂ%2#DÛT`á†Ü ž½ø�¢ÝYËoqet�,M™Ô [>ç’@Áî2é$° f³B©’®e6dc™1�FN? æ4;Ãi¬>0ƒiYpÄçëýÐç®ô¬&¹j¦úèyõ##L%ÒZ¼Óé�íÅÄVód‚r¡×ûضO~ý@##MU-®t¹&·´˜˜Ïše#j•ÇÝÀú߯]+Ý6ÛT±vI ^¬Íî%³ýãÔ“þMscgsqat#hƒ”f“/°í?8ÇLàgŒþ#�³\¯á{yÍ{é?‚[y3CB¿’ >X—j?™¼nùÂŒc©!FóÏÖ·_³¨�ãòíÌ«…+À8'-ÆGåÔcËèju„†_Þ¤‹‚r9Îäez ŒâºØ ³¼Rë»lLɺ0X�ùÏ`úÃ|;榵:0u9¨¯- "²� ó.$ži2,À)ëÀ�óqÇojtvVöÌOÙáYIÊ�¸lƒÎÞýÏ|þt=Š;�ùr ÈÍç�¼zõéüÚmbe}†à�>R$c³¡É#ô#ñ##ìtÜy�Ê*J–p¹Áõǽ3‘éìMJBÉ"¤‘–.;uã?!Á¨¤‚iV6[Ë„]ß.â�sÏðûu÷Å4##¸ešÚ¥KH…˜äŒô#œûwÞ�Åbb]$eXÕ°pB®vôàþ�lv+|®¬y`¦Ö;Fz}{}yª`jv9"ÃqÏÉŒ g#>�¿:¾C´AÃÊ�)Û’x# Àê>¿… J³UU•0–[Œœ?¯zp“bçzä¯AŽ½2bóµWiÉEßm>åù b¸^ãæé�_Ê�qåÊPÛȬÙÈx÷þ«žøêOçÔ¸XKË¡ ÈŽø)ã sŸP¤úé·R3é×sèÛJ¯%°zô½¹úVt˜Þ@ŒcCe�-½NâGLž¼ôç�É«-0Uk‹‚®Ò(ÆÜ ûÁH'Ž¿{ô©¸ìx‡‹|1##xÄçYÒþÅ%ÃI°¨ÄY8*ã·õãÖ´_ã%ä–q¢@÷ÉÉ–9[Ë-ŒT‚NAÆ7sœƒÍzÛÚ¤%àË!s°�+/Ð0ÇŒc�J ý¦6ã’„$qŽvªŒþ¼Ÿ~kÜt¨-t�&ÓL²·’H!EEÞž[u$±Ý×$œã¥i#G ÜqF«,vm( 9 zg¯·½I>äˆÈÄB%²ø9äñƒÆyúûTԫιR²@Ê =Ô@Š’gb<à8à“ÎÇS�ÀïÁáØ–"îÄ ñ–9>a»ï7^üqÒŸ%ÛG¶y%A)b°¡À 8äç�õú`ô##ÖU¸Y( B@‰ß ±¯ …O$qŒu \ã$6�A• ª¸àn~�½ñz›èOõ´’F`š�´yäžyãÏð©–I£I … Îw/>œàuïôúÕcck<"©C�â'`™èNüÄç¯^Ý©‡Gµ.Z0ð;œ¨Ýß�x*{ÿOANìZÁó¯– …ÇçŒ}G±éN ²*((ŒdœuÞßLf³Æ�{ H¶÷Í*‚&ÜgûÊØôÏ~u™r¡‰º;W9f]¡xÃÿ©ãƒÎiswAËÙšÒÇË,Aäï#¿C�ß'?\ý)X9xòq´çå#`ñ‘ôÉúÖX’ó`u‘ .rU¹èGðŒuõèjI¦¹%wÙmõ*<ÿ×Í>`±¡Ï¨Ýän ƒÏÇÓ'5VúG@; ïΤ,GëÍP#$ÏtÄ’Á➣÷yþ§ó«v BøžJË€Oa³¥P ÙY)ÀµÂ†ç¨Ê‰üêÍç1§‘½¸>Äãò¢Š�¢=ýë2«yFp¾s }1Æ=+Ré#a”x°Êz7ÈzŠ(©†Ì©t)…YnϘ¡ÿwù†xb�‡â8>µ%µ{µc‘#Æð7–G¡àQE !ãJ³’eHdeÜã'r2{ŸÌÔú´·###eh‚–9 3�®h¢ˆŽDбóäîÚìó÷*x¹†_uB}þf¢ŠÔÈŽùiw²PèŒÊÀr¤D úçš«£¢Iehî¡ž@C³ –ù—¯¯Z(¨ûEý’Å×Ïj]¾fËŒžNªz£¹Ñ]Ë1t,ÊÙåX.A„QE7±+rX¦•ô;vi³ìÜK·È½}jå·ÌÖÛ¹ÌY9õãùQE4j(�¢Hìª]bvV#�v·#ß�RM##«Io,±õ'h9ü T¯‰�ì‡Û€oÝHH��z¼�åÅ$„™¯ 9+`úqE]I2µò`¶yá>\ÌpdN�ƒŒŽkHó=À=•—Øîê(¢¦;²žÈk®ÛI€ž=pyý*LâîÐŒX·¿^´QVJ2µEÁq*² Šo¸ô©í]¤Óá.ʼn€’Xç?+(¨Žå=�ÿÙ
class captcha {
var $captchaCode = '86N';
var $captchaCode_length = '3';
var $img_width = '240';
var $img_height = '50';
var $img_type = 'jpeg';
var $chars_min_size = '0.8';
var $chars_max_size = '0.8';
var $chars_shadow = true;
var $chars_rotation = '15';
var $noise = 30;
var $backgroundColor =
array (
0 =>
array (
0 => 220,
1 => 220,
2 => 220,
),
1 =>
array (
0 => 255,
1 => 255,
2 => 255,
),
);
var $linesColor =
array (
0 =>
array (
0 => 150,
1 => 150,
2 => 150,
),
1 =>
array (
0 => 185,
1 => 185,
2 => 185,
),
);
var $textColor =
array (
0 =>
array (
0 => 30,
1 => 30,
2 => 30,
),
1 =>
array (
0 => 199,
1 => 199,
2 => 199,
),
);
var $dir_fs_fonts = '/home/content/z/i/l/zilog357/html/otherdeal/fonts/';
var $ttf_list =
array (
0 => '/home/content/z/i/l/zilog357/html/otherdeal/fonts/VERDANA.TTF',
);
var $max_try = 5;
var $failure_proc = '';
var $quality = 60;
var $chars =
array (
0 => '1',
1 => '2',
2 => '3',
3 => '4',
4 => '5',
5 => '6',
6 => '7',
7 => '8',
8 => '9',
9 => 'A',
10 => 'B',
11 => 'C',
12 => 'D',
13 => 'E',
14 => 'F',
15 => 'G',
16 => 'H',
17 => 'I',
18 => 'J',
19 => 'K',
20 => 'L',
21 => 'M',
22 => 'N',
23 => 'O',
24 => 'P',
25 => 'Q',
26 => 'R',
27 => 'S',
28 => 'T',
29 => 'U',
30 => 'V',
31 => 'W',
32 => 'X',
33 => 'Y',
34 => 'Z',
);
var $_background = NULL;
var $img = NULL;
var $_gd_version =
array (
'GD Version' => 'bundled (2.0.28 compatible)',
'FreeType Support' => true,
'FreeType Linkage' => 'with freetype',
'T1Lib Support' => false,
'GIF Read Support' => true,
'GIF Create Support' => true,
'JPG Support' => true,
'PNG Support' => true,
'WBMP Support' => true,
'XBM Support' => true,
'JIS-mapped Japanese Font Support' => false,
'version' => '2',
);
var $debug = true;
var $img_href = 'http://www.qcwo.com/otherdeal/captcha_img.php?zenid=6a77e6b6f091a1cd15e5969c51f9770c';
var $imageColorFunc = 'imagecolorallocate';
}

[tcarney.]

I've searched through this and other forums and have found this problem described. However, I have not found a solution. Any help from any body will be appreciated.

Because of the number of Spam requests for a link Exchange, I have installed this CAPTCHA mod in my ZC 1.3.8 store. When I go the the "Submit Link" page, just a blank page appears.

You can see the problem at http://www.couplespice.com

[chris32882]

Just uploaded all the necessary files onto my server an ran the sql query it went fine, see the "CAPTCHA" options in Admin, when I go test it out, I don't see anything, just a regular form without no captcha, any ideas?

[davewest]

I've searched through this and other forums and have found this problem described. However, I have not found a solution. Any help from any body will be appreciated.

Because of the number of Spam requests for a link Exchange, I have installed this CAPTCHA mod in my ZC 1.3.8 store. When I go the the "Submit Link" page, just a blank page appears.

You can see the problem at http://www.couplespice.com

The captcha image is there, but the code validation and even the redrew button does not work... check your code edits. Seems something is missing..

[steve1965]

hello all,

just finished backing up my site and i am going to attempt to install .

just one thing i am not sure about though,

were do i put the font , i cant seem to find a font folder in my zencart folders . do i have to make one ? if so were do i put it ?

am i missing something here ?

i haven't installed nothing or uploaded anything yet, i am just backing up all my files before i install.

i really do need to get this installed quickly as i am recieving loads of spam mail.


steve

[steve1965]

update ,

i have installed and it is working ,but is says case sensitive ...but you can use any format caps or normal and it still works, they have to be the right letters though


steve