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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:

  1. 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.
  2. 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.
  3. 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.
  4. 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:

  1. 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.
  2. 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.
  3. 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.
  4. 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 na b) 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.

Douglas Karr

Douglas Karr bụ CMO Mepee ihe ọmụma na onye nchoputa nke Martech Zone. Douglas enyerela ọtụtụ mmalite MarTech aka nke ọma, nyere aka n'ịrụsi ọrụ ike nke ihe karịrị ijeri $ 5 na nnweta na ntinye ego nke Martech, ma na-aga n'ihu na-enyere ụlọ ọrụ aka n'imejuputa na imezi usoro ahịa na ahịa ha. Douglas bụ mgbanwe dijitalụ ama ama na mba ụwa na ọkachamara MarTech na ọkà okwu. Douglas bụkwa onye odee bipụtara nke ndu Dummie na akwụkwọ ndu azụmaahịa.

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