Kedu ihe bụ JavaScript Obfuscation?
Anọ m na-ede ntakịrị Javascript n'oge na-adịbeghị anya maka ngwa Ajax nwere koodu pụrụ iche na nke ọhụrụ. Ozugbo m mechara, enwere m nchegbu abụọ: nchekwa ngwa na ichekwa ọrụ siri ike m n'aka onye na-ezu ohi koodu. Amaghị m ebe m ga-aga, mana m gụrụ gbasara ya Mmechi JavaScript n'otu n'ime akwụkwọ m, MGBE AJAX.
A na-eji obfuscation Javascript tụgharịa-engineer ma ọ bụ mee ka koodu Javascript sie ike nghọta. A na-enweta nke a site n'ịgbanwe koodu ka ọ bụrụ ụdị na-echekwa ọrụ mbụ ya mana ọ na-eme ka ọ sie ike ịgụ ma ọ bụ gbanwee. Ihe kpatara nkpuchi na uru ya gụnyere:
- Security: Mwepu na-enyere aka ichekwa akụ ọgụgụ isi yana data nwere mmetụta agbakwunyere na koodu ahụ site na ime ka koodu ahụ sie ike nghọta. Ọ na-agbakwụnye oyi akwa nchebe megide ohere na mgbanwe na-enweghị ikike.
- Mbelata Piracy: Mwepu na-enyere aka kpuchido koodu ahụ ka a ghara iṅomi ya ma ọ bụ jiri ya mee ihe na-enweghị ikike, si otú a na-echebe megide ndị ohi.
- Na-egbochi imebi: Ọ na-eme ka o siere ndị na-awakpo ike imebi koodu ahụ, si otú a na-ahụ na iguzosi ike n'ezi ihe nke ngwa ahụ.
- Mmetụta arụmọrụ: Koodu ezoro ezo nke ọma ekwesịghị imetụta arụmọrụ. Ọ nwere ike melite arụmọrụ mgbe ụfọdụ n'ihi nkwalite n'oge usoro nkpuchi ahụ.
Mwepu abụghị ihe nchekwa enweghị nzuzu. Ọ bụ ihe mgbochi karịa nchekwa siri ike. Ndị na-awakpo ekpebisiri ike nwere oge na akụrụngwa zuru oke nwere ike mebie koodu ahụ.
Ihe Nlereanya Mmejọ JavaScript
tupu
Nke a bụ ihe atụ bụ isi ebe anyị tinye nọmba abụọ wee weghachi nsonaazụ:
function addNumbers(a, b) {
return a + b;
}
Mgbe
Ọrụ a na-enye nsonaazụ ya mana ọ siri ike nghọta:
var _0x291b = ['log'];
(function (_0x4bd822, _0x2bd6f7) {
var _0x1e8b02 = function (_0x5a5d16) {
while (--_0x5a5d16) {
_0x4bd822['push'](_0x4bd822['shift']());
}
};
_0x1e8b02(++_0x2bd6f7);
}(_0x291b, 0x1b3));
var _0x2e8b = function (_0x4bd822, _0x2bd6f7) {
_0x4bd822 = _0x4bd822 - 0x0;
var _0x1e8b02 = _0x291b[_0x4bd822];
return _0x1e8b02;
};
function addNumbers(_0x45e3d1, _0x5e8b1a) {
return _0x45e3d1 + _0x5e8b1a;
}
Ọrụ abụọ a na-eweghachi otu nsonaazụ ahụ. Etinyekwala m usoro nhazi na koodu a kpuchiri ekpuchi ka ị nwee ike ịgụ ahịrị ọ bụla… mana nke ahụ abụghị ụdị. A na-akpakọba koodu emechiri emechi iji mee ka ọ sie ike ịgụ na iso.
AI ọ na-ewepụ ihe mgbochi Javascript?
Na ọbịbịa nke AI, enwere ike ịma aka na ịdị irè nke nkpuchi. Algọridim AI dị elu na AI na-emepụta ihe (GenAI) nwere ike nyochaa ma ghọta koodu ezoro ezo nke ọma, wee kọwapụta ya. AI nwekwara ike ịkwalite usoro nkpuchi, na-eduga n'ọsọ ogwe aka n'etiti nchedo koodu na ntụgharị injinia.
Nhọrọ kacha mma: AJAX
iji AJAX (Asynchronous JavaScript na XML) ijikwa mgbagha mgbagha n'akụkụ ihe nkesa, kama imechi koodu ndị ahịa, a na-ewerekarị ya dị ka omume ka mma maka ọtụtụ ihe kpatara ya:
- Security: Koodu akụkụ nkesa na-adịkwa nchebe karịa n'ihi na ekpughere ya n'ihu onye ahịa. Nke a na-egbochi ohere ọ bụla nke ntụgharị injinia ma ọ bụ mebie onye ọrụ njedebe.
- Nguzosi ike: Koodu akụkụ nkesa dị mfe idowe na melite. Enwere ike ịme mgbanwe na ihe nkesa na-enweghị ikesa ma ọ bụ bugharia ngwa n'akụkụ ndị ahịa.
- Performance: Wepụ ọrụ mgbagwoju anya na ihe nkesa nwere ike imeziwanye arụmọrụ nke ngwa n'akụkụ ndị ahịa, karịsịa na ngwaọrụ nwere ikike nhazi dị oke.
- Ọhụụ: Ihe ngwọta nke akụkụ nkesa na-adịkarị mfe karịa. Ha nwere ike ijikwa mgbagha mgbagwoju anya yana nnukwu dataset na-emetụtaghị ahụmịhe n'akụkụ ndị ahịa.
Nke a bụ ọmụmaatụ dị mfe iji gosi ka enwere ike iji AJAX maka nhazi akụkụ sava:
JavaScript nke ndị ahịa (N'iji AJAX)
// Function to send a request to the server
function calculateSum(a, b) {
var xhr = new XMLHttpRequest();
xhr.open("GET", "calculateSum.php?a=" + a + "&b=" + b, true);
xhr.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
alert("Sum: " + this.responseText);
}
};
xhr.send();
}
// Example usage
calculateSum(5, 10);
PHP-akụkụ nkesa (gbakọọSum.php)
<?php
if (isset($_GET['a']) && isset($_GET['b'])) {
$a = intval($_GET['a']);
$b = intval($_GET['b']);
echo $a + $b;
}
?>
Nkwupụta
- Akụkụ ndị ahịa: Ọrụ Javascript
calculateSum
na-eziga arịrịọ AJAX na edemede akụkụ nkesa (calculateSum.php
). Ọ na-agafe nọmba abụọ (a
nab
) dị ka paramita ajụjụ. - Akụkụ nkesa: Edemede PHP na-enweta ọnụọgụ ndị a, gbakọọ nchikota ha ma weghachi nsonaazụ ya. Ezi mgbako mgbako zoro ezo n'aka onye ahịa.
- Nchekwa na arụmọrụ: Ụzọ a na-echekwa echiche ahụ site n'idebe ya na ihe nkesa na-enye ohere maka ịrụ ọrụ mgbagwoju anya na-enweghị ibu arọ onye ahịa.
Iji AJAX ijikwa ọrụ dị nro ma ọ bụ mgbagwoju anya na sava bụ ụzọ siri ike, ọkachasị maka ngwa na-ejikwa data nwere mmetụta ma ọ bụ chọrọ nchekwa dị elu. Ọ na-ebelata ihe egwu dị na mkpughe koodu n'akụkụ ndị ahịa ma na-enye njikwa kacha mma maka ọrụ ngwa ahụ.