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at{constructor(t,e={},i){this.pattern=t,this.separator=e.separator||".",this.segments=this._parse(t),this.data=i,this._hasDeepWildcard=this.segments.some(t=>"deep-wildcard"===t.type),this._hasAttributeCondition=this.segments.some(t=>void 0!==t.attrName),this._hasPositionSelector=this.segments.some(t=>void 0!==t.position)}_parse(t){const e=[];let i=0,r="";for(;i<t.length;)t[i]===this.separator?i+1<t.length&&t[i+1]===this.separator?(r.trim()&&(e.push(this._parseSegment(r.trim())),r=""),e.push({type:"deep-wildcard"}),i+=2):(r.trim()&&e.push(this._parseSegment(r.trim())),r="",i++):(r+=t[i],i++);return r.trim()&&e.push(this._parseSegment(r.trim())),e}_parseSegment(t){const e={type:"tag"};let i=null,r=t;const n=t.match(/^([^\[]+)(\[[^\]]*\])(.*)$/);if(n&&(r=n[1]+n[3],n[2])){const t=n[2].slice(1,-1);t&&(i=t)}let s,a,o=r;if(r.includes("::")){const e=r.indexOf("::");if(s=r.substring(0,e).trim(),o=r.substring(e+2).trim(),!s)throw new Error(`Invalid namespace in pattern: ${t}`)}let l=null;if(o.includes(":")){const t=o.lastIndexOf(":"),e=o.substring(0,t).trim(),i=o.substring(t+1).trim();["first","last","odd","even"].includes(i)||/^nth\(\d+\)$/.test(i)?(a=e,l=i):a=o}else a=o;if(!a)throw new Error(`Invalid segment pattern: ${t}`);if(e.tag=a,s&&(e.namespace=s),i)if(i.includes("=")){const t=i.indexOf("=");e.attrName=i.substring(0,t).trim(),e.attrValue=i.substring(t+1).trim()}else e.attrName=i.trim();if(l){const t=l.match(/^nth\((\d+)\)$/);t?(e.position="nth",e.positionValue=parseInt(t[1],10)):e.position=l}return e}get length(){return this.segments.length}hasDeepWildcard(){return this._hasDeepWildcard}hasAttributeCondition(){return this._hasAttributeCondition}hasPositionSelector(){return this._hasPositionSelector}toString(){return this.pattern}}class ot{constructor(){this._byDepthAndTag=new Map,this._wildcardByDepth=new Map,this._deepWildcards=[],this._deepByTerminalTag=new Map,this._patterns=new Set,this._sealed=!1}add(t){if(this._sealed)throw new TypeError("ExpressionSet is sealed. Create a new ExpressionSet to add more expressions.");if(this._patterns.has(t.pattern))return this;if(this._patterns.add(t.pattern),t.hasDeepWildcard()){const e=t.segments[t.segments.length-1];if(e&&"deep-wildcard"!==e.type&&"*"!==e.tag){const i=e.tag;this._deepByTerminalTag.has(i)||this._deepByTerminalTag.set(i,[]),this._deepByTerminalTag.get(i).push(t)}else this._deepWildcards.push(t);return this}const e=t.length,i=t.segments[t.segments.length-1],r=i?.tag;if(r&&"*"!==r){const i=`${e}:${r}`;this._byDepthAndTag.has(i)||this._byDepthAndTag.set(i,[]),this._byDepthAndTag.get(i).push(t)}else this._wildcardByDepth.has(e)||this._wildcardByDepth.set(e,[]),this._wildcardByDepth.get(e).push(t);return this}addAll(t){for(const e of t)this.add(e);return this}has(t){return this._patterns.has(t.pattern)}get size(){return this._patterns.size}seal(){return this._sealed=!0,this}get isSealed(){return this._sealed}matchesAny(t){return null!==this.findMatch(t)}findMatch(t){const e=t.getDepth(),i=t.getCurrentTag(),r=`${e}:${i}`,n=this._byDepthAndTag.get(r);if(n)for(let e=0;e<n.length;e++)if(t.matches(n[e]))return n[e];const s=this._wildcardByDepth.get(e);if(s)for(let e=0;e<s.length;e++)if(t.matches(s[e]))return s[e];const a=this._deepByTerminalTag.get(i);if(a)for(let e=0;e<a.length;e++)if(t.matches(a[e]))return a[e];for(let e=0;e<this._deepWildcards.length;e++)if(t.matches(this._deepWildcards[e]))return this._deepWildcards[e];return null}}const lt={cent:"¢",pound:"£",curren:"¤",yen:"¥",euro:"€",dollar:"$",fnof:"ƒ",inr:"₹",af:"؋",birr:"ብር",peso:"₱",rub:"₽",won:"₩",yuan:"¥",cedil:"¸"},pt={amp:"&",apos:"'",gt:">",lt:"<",quot:'"'},ht={nbsp:" ",copy:"©",reg:"®",trade:"™",mdash:"—",ndash:"–",hellip:"…",laquo:"«",raquo:"»",lsquo:"‘",rsquo:"’",ldquo:"“",rdquo:"”",bull:"•",para:"¶",sect:"§",deg:"°",frac12:"½",frac14:"¼",frac34:"¾"},ct=Object.freeze({ALLOW:"allow",BLOCK:"block",THROW:"throw"}),ut=new Set("!?\\\\/[]$%{}^&*()<>|+");function dt(t){if("#"===t[0])throw new Error(`[EntityReplacer] Invalid character '#' in entity name: "${t}"`);for(const e of t)if(ut.has(e))throw new Error(`[EntityReplacer] Invalid character '${e}' in entity name: "${t}"`);return t}function ft(...t){const e=Object.create(null);for(const i of t)if(i)for(const t of Object.keys(i)){const r=i[t];if("string"==typeof r)e[t]=r;else if(r&&"object"==typeof r&&void 0!==r.val){const i=r.val;"string"==typeof i&&(e[t]=i)}}return e}const gt="external",mt="base",xt="all",bt=Object.freeze({allow:0,leave:1,remove:2,throw:3}),vt=new Set([9,10,13]);class yt{constructor(t={}){var e;this._limit=t.limit||{},this._maxTotalExpansions=this._limit.maxTotalExpansions||0,this._maxExpandedLength=this._limit.maxExpandedLength||0,this._postCheck="function"==typeof t.postCheck?t.postCheck:t=>t,this._limitTiers=(e=this._limit.applyLimitsTo??gt)&&e!==gt?e===xt?new Set([xt]):e===mt?new Set([mt]):Array.isArray(e)?new Set(e):new Set([gt]):new Set([gt]),this._numericAllowed=t.numericAllowed??!0,this._baseMap=ft(pt,t.namedEntities||null),this._externalMap=Object.create(null),this._inputMap=Object.create(null),this._totalExpansions=0,this._expandedLength=0,this._removeSet=new Set(t.remove&&Array.isArray(t.remove)?t.remove:[]),this._leaveSet=new Set(t.leave&&Array.isArray(t.leave)?t.leave:[]);const i=function(t){if(!t)return{xmlVersion:1,onLevel:bt.allow,nullLevel:bt.remove};const e=1.1===t.xmlVersion?1.1:1,i=bt[t.onNCR]??bt.allow,r=bt[t.nullNCR]??bt.remove;return{xmlVersion:e,onLevel:i,nullLevel:Math.max(r,bt.remove)}}(t.ncr);this._ncrXmlVersion=i.xmlVersion,this._ncrOnLevel=i.onLevel,this._ncrNullLevel=i.nullLevel,this._onExternalEntity="function"==typeof t.onExternalEntity?t.onExternalEntity:null,this._onInputEntity="function"==typeof t.onInputEntity?t.onInputEntity:null}_applyRegistrationHook(t,e,i,r){if(!t)return!0;const n=t(e,i);if(n===ct.BLOCK)return!1;if(n===ct.THROW)throw new Error(`[EntityDecoder] Registration of ${r} entity "&${e};" was rejected by hook`);return!0}setExternalEntities(t){if(t)for(const e of Object.keys(t))dt(e);if(!this._onExternalEntity)return void(this._externalMap=ft(t));const e=ft(t),i=Object.create(null);for(const[t,r]of Object.entries(e))this._applyRegistrationHook(this._onExternalEntity,t,r,"external")&&(i[t]=r);this._externalMap=i}addExternalEntity(t,e){dt(t),"string"==typeof e&&-1===e.indexOf("&")&&this._applyRegistrationHook(this._onExternalEntity,t,e,"external")&&(this._externalMap[t]=e)}addInputEntities(t){if(this._totalExpansions=0,this._expandedLength=0,!this._onInputEntity)return void(this._inputMap=ft(t));const e=ft(t),i=Object.create(null);for(const[t,r]of Object.entries(e))this._applyRegistrationHook(this._onInputEntity,t,r,"input")&&(i[t]=r);this._inputMap=i}reset(){return this._inputMap=Object.create(null),this._totalExpansions=0,this._expandedLength=0,this}setXmlVersion(t){this._ncrXmlVersion=1.1===t?1.1:1}decode(t){if("string"!=typeof t||0===t.length)return t;if(-1===t.indexOf("&"))return t;const e=t,i=[],r=t.length;let n=0,s=0;const a=this._maxTotalExpansions>0,o=this._maxExpandedLength>0,l=a||o;for(;s<r;){if(38!==t.charCodeAt(s)){s++;continue}let e=s+1;for(;e<r&&59!==t.charCodeAt(e)&&e-s<=32;)e++;if(e>=r||59!==t.charCodeAt(e)){s++;continue}const p=t.slice(s+1,e);if(0===p.length){s++;continue}let h,c;if(this._removeSet.has(p))h="",void 0===c&&(c=gt);else{if(this._leaveSet.has(p)){s++;continue}if(35===p.charCodeAt(0)){const t=this._resolveNCR(p);if(void 0===t){s++;continue}h=t,c=mt}else{const t=this._resolveName(p);h=t?.value,c=t?.tier}}if(void 0!==h){if(s>n&&i.push(t.slice(n,s)),i.push(h),n=e+1,s=n,l&&this._tierCounts(c)){if(a&&(this._totalExpansions++,this._totalExpansions>this._maxTotalExpansions))throw new Error(`[EntityReplacer] Entity expansion count limit exceeded: ${this._totalExpansions} > ${this._maxTotalExpansions}`);if(o){const t=h.length-(p.length+2);if(t>0&&(this._expandedLength+=t,this._expandedLength>this._maxExpandedLength))throw new Error(`[EntityReplacer] Expanded content length limit exceeded: ${this._expandedLength} > ${this._maxExpandedLength}`)}}}else s++}n<r&&i.push(t.slice(n));const p=0===i.length?t:i.join("");return this._postCheck(p,e)}_tierCounts(t){return!!this._limitTiers.has(xt)||this._limitTiers.has(t)}_resolveName(t){return t in this._inputMap?{value:this._inputMap[t],tier:gt}:t in this._externalMap?{value:this._externalMap[t],tier:gt}:t in this._baseMap?{value:this._baseMap[t],tier:mt}:void 0}_classifyNCR(t){return 0===t?this._ncrNullLevel:t>=55296&&t<=57343||1===this._ncrXmlVersion&&t>=1&&t<=31&&!vt.has(t)?bt.remove:-1}_applyNCRAction(t,e,i){switch(t){case bt.allow:return String.fromCodePoint(i);case bt.remove:return"";case bt.leave:return;case bt.throw:throw new Error(`[EntityDecoder] Prohibited numeric character reference &${e}; (U+${i.toString(16).toUpperCase().padStart(4,"0")})`);default:return String.fromCodePoint(i)}}_resolveNCR(t){const e=t.charCodeAt(1);let i;if(i=120===e||88===e?parseInt(t.slice(2),16):parseInt(t.slice(1),10),Number.isNaN(i)||i<0||i>1114111)return;const r=this._classifyNCR(i);if(!this._numericAllowed&&r<bt.remove)return;const n=-1===r?this._ncrOnLevel:Math.max(this._ncrOnLevel,r);return this._applyNCRAction(n,t,i)}}const Nt=[{id:"sql-block-comment-open",description:"SQL block comment open: /* ... */ — unusual in legitimate user text",pattern:/\/\*/},{id:"sql-union-select",description:"UNION SELECT — most common SQL injection aggregation attack",pattern:/\bUNION\s{1,20}(?:ALL\s{1,20})?SELECT\b/i},{id:"sql-drop-table",description:"DROP TABLE — destructive DDL injection",pattern:/\bDROP\s{1,20}TABLE\b/i},{id:"sql-drop-database",description:"DROP DATABASE — destructive DDL injection",pattern:/\bDROP\s{1,20}DATABASE\b/i},{id:"sql-insert-into",description:"INSERT INTO — data injection",pattern:/\bINSERT\s{1,20}INTO\b/i},{id:"sql-delete-from",description:"DELETE FROM — data deletion injection",pattern:/\bDELETE\s{1,20}FROM\b/i},{id:"sql-update-set",description:"UPDATE ... SET — data modification injection",pattern:/\bUPDATE\b[\s\S]{1,60}\bSET\b/i},{id:"sql-exec-xp",description:"EXEC xp_ — MSSQL extended stored procedure execution",pattern:/\bEXEC(?:UTE)?\s{1,20}xp_/i},{id:"sql-tautology-string",description:'Classic string tautology: \' OR \'1\'=\'1 or " OR "1"="1"',pattern:/'\s{0,10}OR\s{0,10}'[^']{0,20}'\s*=\s*'[^']{0,20}/i},{id:"sql-tautology-numeric",description:"Numeric tautology: OR 1=1",pattern:/\bOR\s{1,10}1\s*=\s*1\b/i},{id:"sql-always-true-zero",description:"Numeric tautology: OR 0=0",pattern:/\bOR\s{1,10}0\s*=\s*0\b/i},{id:"sql-sleep-benchmark",description:"Time-based blind injection: SLEEP() or BENCHMARK()",pattern:/\b(?:SLEEP|BENCHMARK)\s*\(/i},{id:"sql-waitfor-delay",description:"MSSQL time-based blind injection: WAITFOR DELAY",pattern:/\bWAITFOR\s{1,20}DELAY\b/i},{id:"sql-char-function",description:"CHAR() function — used to obfuscate injected strings",pattern:/\bCHAR\s*\(\s*\d{1,3}/i},{id:"sql-information-schema",description:"INFORMATION_SCHEMA — reconnaissance query for table/column enumeration",pattern:/\bINFORMATION_SCHEMA\b/i}],Et=[...Nt,{id:"sql-line-comment",description:"SQL line comment: -- followed by whitespace or end of string",pattern:/--(?:\s|$)/},{id:"sql-stacked-query",description:"Stacked queries: semicolon immediately followed by a SQL keyword",pattern:/;\s{0,10}(?:SELECT|INSERT|UPDATE|DELETE|DROP|CREATE|ALTER|EXEC)\b/i},{id:"sql-hex-encoding",description:"Hex-encoded string injection: 0x41414141 style (MySQL)",pattern:/\b0x[0-9a-f]{4,}/i}],wt=[{id:"html-script-open",description:"<script opening tag",pattern:/<script[\s>/]/i},{id:"html-script-close",description:"<\/script closing tag",pattern:/<\/script[\s>]/i},{id:"html-javascript-protocol",description:"javascript: URI scheme (with optional whitespace/encoding)",pattern:/j[\t\n\r ]*a[\t\n\r ]*v[\t\n\r ]*a[\t\n\r ]*s[\t\n\r ]*c[\t\n\r ]*r[\t\n\r ]*i[\t\n\r ]*p[\t\n\r ]*t[\t\n\r ]*:/i},{id:"html-vbscript-protocol",description:"vbscript: URI scheme",pattern:/vbscript[\t\n\r ]*:/i},{id:"html-data-html",description:"data:text/html URI — can execute scripts in browsers",pattern:/data[\t\n\r ]*:[\t\n\r ]*text\/html/i},{id:"html-data-xhtml",description:"data:application/xhtml+xml URI",pattern:/data[\t\n\r ]*:[\t\n\r ]*application\/xhtml/i},{id:"html-data-svg",description:"data:image/svg+xml URI — can execute scripts",pattern:/data[\t\n\r ]*:[\t\n\r ]*image\/svg\+xml/i},{id:"html-inline-event-handler",description:"Inline event handler attributes: onclick=, onerror=, onload=, etc.",pattern:/\bon\w{1,30}\s*=/i},{id:"html-entity-obfuscated-script",description:"HTML-entity-encoded <script (e.g. <script or <script)",pattern:/(?:�*3[Cc];?|�*60;?|<)\s*script/i},{id:"html-entity-obfuscated-javascript",description:'HTML-entity-encoded javascript: (partial — catches common j or j for "j")',pattern:/(?:�*6[Aa];?|�*106;?)\s*(?:�*61;?|a)[\s\S]{0,80}script\s*:/i},{id:"html-style-expression",description:"CSS expression() — IE-era code execution in style attributes",pattern:/style[\s\S]{0,20}expression\s*\(/i},{id:"html-object-embed",description:"<object or <embed tags that can load active content",pattern:/<(?:object|embed)[\s>/]/i},{id:"html-base-tag",description:"<base href= — can hijack all relative URLs on a page",pattern:/<base[\s>]/i},{id:"html-meta-refresh",description:'<meta http-equiv="refresh" — can redirect users',pattern:/<meta[\s\S]{0,40}http-equiv[\s\S]{0,20}refresh/i},{id:"html-srcdoc",description:"srcdoc= attribute on iframes — embeds HTML that can run scripts",pattern:/srcdoc\s*=/i},{id:"html-iframe",description:"<iframe tag",pattern:/<iframe[\s>/]/i},{id:"html-form",description:"<form tag — can be used for phishing / credential harvesting injection",pattern:/<form[\s>/]/i}],St=[{id:"xml-cdata-injection",description:"CDATA section injection: <![CDATA[ breaks out of text node context",pattern:/<!\[CDATA\[/i},{id:"xml-cdata-close",description:"CDATA close sequence: ]]> can terminate an enclosing CDATA section",pattern:/\]\]>/},{id:"xml-processing-instruction",description:"XML processing instruction: <?xml-stylesheet or <?php etc.",pattern:/<\?(?:xml[\- ]|php|asp)/i},{id:"xml-doctype-injection",description:"DOCTYPE declaration embedded in content — can define entities",pattern:/<!DOCTYPE(?:[\s[]|$)/i},{id:"xml-entity-system",description:"SYSTEM keyword — used in external entity declarations (XXE)",pattern:/\bSYSTEM\s+["']/i},{id:"xml-entity-public",description:"PUBLIC keyword — used in external entity declarations (XXE)",pattern:/\bPUBLIC\s+["']/i},{id:"xml-entity-declaration",description:"<!ENTITY declaration — defines entities, potential XXE or entity expansion",pattern:/<!ENTITY[\s%]/i},{id:"xml-billion-laughs",description:"Entity reference chaining / billion laughs: repeated &eX; style references",pattern:/(?:&\w{1,20};){3,}/},{id:"xml-namespace-confusion",description:"xmlns: attribute injection — can redefine namespaces to confuse parsers",pattern:/\bxmlns\s*(?::\w{1,40})?\s*=/i},{id:"xml-comment-injection",description:"\x3c!-- comment injection — can hide content from some parsers",pattern:/<!--/},{id:"xml-comment-close",description:"--\x3e closes an enclosing XML comment",pattern:/-->/},{id:"xml-pi-close",description:"?> closes an enclosing processing instruction",pattern:/\?>/}],At=[{id:"svg-script-element",description:"<script element inside SVG executes JavaScript",pattern:/<script[\s>/]/i},{id:"svg-xlink-href-javascript",description:"xlink:href with javascript: — classic SVG XSS via <a> or <use>",pattern:/xlink\s*:\s*href\s*=\s*["']?\s*javascript\s*:/i},{id:"svg-href-javascript",description:"href= with javascript: in SVG context (<a>, <animate>, etc.)",pattern:/href\s*=\s*["']?\s*javascript\s*:/i},{id:"svg-foreignobject",description:"<foreignObject embeds HTML inside SVG — can execute scripts",pattern:/<foreignObject[\s>/]/i},{id:"svg-use-external",description:"<use xlink:href or href pointing to external resource (non-fragment URL)",pattern:/<use[\s\S]{0,60}(?:xlink\s*:\s*)?href\s*=\s*(?:["'][^#]|[^"'#\s>])/i},{id:"svg-animate-href",description:'<animate attributeName="href" — can dynamically change href to javascript:',pattern:/<animate[\s\S]{0,80}attributeName\s*=\s*["'][\s]*href["']/i},{id:"svg-animate-xlinkhref",description:'<animate attributeName="xlink:href"',pattern:/<animate[\s\S]{0,80}attributeName\s*=\s*["'][\s]*xlink\s*:\s*href["']/i},{id:"svg-set-javascript",description:'<set to="javascript:..." — sets an attribute to a javascript: URI',pattern:/<set[\s\S]{0,80}to\s*=\s*["']?\s*javascript\s*:/i},{id:"svg-event-handler",description:"SVG-specific event handler attributes: onload=, onerror=, onactivate=, etc.",pattern:/\bon(?:load|error|activate|begin|end|repeat|focus|blur|click|mouse\w{1,20}|key\w{1,20})\s*=/i},{id:"svg-handler-generic",description:"Generic on* handler catch-all for SVG attributes",pattern:/\bon\w{1,30}\s*=/i},{id:"svg-filter-feimage",description:"<feImage href= — filter primitive that can load external resources",pattern:/<feImage[\s\S]{0,80}(?:xlink\s*:\s*)?href\s*=/i},{id:"svg-image-external",description:"<image xlink:href with http/https or javascript protocol",pattern:/<image[\s\S]{0,80}(?:xlink\s*:\s*)?href\s*=\s*["']?\s*(?:https?|javascript)\s*:/i},{id:"svg-style-javascript",description:"style= attribute containing javascript: (e.g. background:url(javascript:...))",pattern:/style\s*=[\s\S]{0,60}javascript\s*:/i}],Tt=[{id:"shell-path-traversal-unix",description:"Unix path traversal: ../ — climbing the directory tree",pattern:/\.\.\//},{id:"shell-path-traversal-windows",description:"Windows path traversal: ..\\ — climbing the directory tree",pattern:/\.\.\\/},{id:"shell-path-traversal-encoded",description:"URL-encoded path traversal: %2e%2e or %2f variants",pattern:/%2e%2e|%2f\.\.|\.\.%2f/i},{id:"shell-null-byte",description:"Null byte injection: \\x00 or %00 — truncates strings in C-backed functions",pattern:/\x00|%00/},{id:"shell-semicolon",description:"Semicolon command separator: cmd1; cmd2",pattern:/;/},{id:"shell-pipe",description:"Pipe operator: cmd1 | cmd2",pattern:/\|/},{id:"shell-and-operator",description:"AND operator: cmd1 && cmd2",pattern:/&&/},{id:"shell-or-operator",description:"OR operator: cmd1 || cmd2",pattern:/\|\|/},{id:"shell-backtick",description:"Backtick command substitution: `cmd`",pattern:/`/},{id:"shell-dollar-paren",description:"Dollar-paren command substitution: $(cmd)",pattern:/\$\(/},{id:"shell-dollar-brace",description:"Dollar-brace variable expansion: ${var} — can be abused for injection",pattern:/\$\{/},{id:"shell-redirect-out",description:"Output redirection: cmd > file or cmd >> file",pattern:/>{1,2}/},{id:"shell-redirect-in",description:"Input redirection: cmd < file",pattern:/</},{id:"shell-newline-injection",description:"Newline injection: \\n or \\r — can inject new shell commands",pattern:/[\n\r]/},{id:"shell-glob-star",description:"Glob expansion: * or ? — can expand to unintended files",pattern:/[/\\][*?]/},{id:"shell-absolute-root",description:"Absolute root path injection: string starting with / or \\ (Windows UNC)",pattern:/^(?:\/|\\\\)/},{id:"shell-windows-drive",description:"Windows drive letter path injection: C:\\ or D:/",pattern:/^[a-zA-Z]:[/\\]/},{id:"shell-curl-wget",description:"curl/wget with URL or flags — can exfiltrate data or download payloads",pattern:/\b(?:curl|wget)\s+(?:https?:\/\/|ftp:\/\/|-)/i}],_t=[{id:"redos-nested-quantifier-plus",description:"Nested + quantifier inside a group with outer quantifier: (a+)+, (.+b)*, etc.",pattern:/\([^)]*\+[^)]*\)[+*]/},{id:"redos-nested-quantifier-star",description:"Nested * quantifier: (a*)* or (a*)+ — catastrophic backtracking",pattern:/\([^)]*\*[^)]*\)[*+]/},{id:"redos-nested-groups",description:"Doubly nested quantified groups: ((a+)+) — guaranteed catastrophic",pattern:/\(\([^)]{0,40}\)[+*]\)[+*]/},{id:"redos-alternation-overlap",description:"Overlapping alternation under quantifier: (a|a)+ — ambiguous NFA paths",pattern:/\(([^|()]{1,20})\|(?:\1)(?:\|[^|()]{1,20}){0,5}\)[+*?]{1,2}/},{id:"redos-star-plus-concat",description:"(x*x)+ pattern — triggers super-linear backtracking",pattern:/\([^)]{0,10}\*[^)]{0,10}\)[+*]/},{id:"redos-dot-star-greedy",description:"(.*){n,} or (.+){n,} — repeated greedy dot quantifiers",pattern:/\(\.[*+]\)\{?\d/},{id:"redos-large-repetition",description:"Very large fixed or range repetition count {1000,} or {1000,n} — denial of service via backtracking",pattern:/\{\d{4,}(?:,\d*)?\}/},{id:"redos-catastrophic-alternation",description:"Long alternation with many similar branches — polynomial backtracking risk",pattern:/\([^)]{0,200}(?:\|[^|)]{0,50}){9,}\)/}],Ct="[\"'\\s]*:",Pt=[{id:"nosql-where-operator",description:"$where — executes arbitrary JavaScript server-side in MongoDB",pattern:new RegExp(`\\$where${Ct}`,"i")},{id:"nosql-ne-operator",description:'$ne — "not equal" operator used to bypass equality checks',pattern:new RegExp(`\\$ne${Ct}`,"i")},{id:"nosql-gt-operator",description:'$gt — "greater than" used to bypass password/value checks',pattern:new RegExp(`\\$gte?${Ct}`,"i")},{id:"nosql-lt-operator",description:'$lt / $lte — "less than" bypass variants',pattern:new RegExp(`\\$lte?${Ct}`,"i")},{id:"nosql-regex-operator",description:"$regex — can be used to extract data character by character (blind injection)",pattern:new RegExp(`\\$regex${Ct}`,"i")},{id:"nosql-or-operator",description:"$or — logical OR; used to create always-true conditions",pattern:new RegExp(`\\$or${Ct}\\s*\\[`,"i")},{id:"nosql-and-operator",description:"$and — logical AND operator injection",pattern:new RegExp(`\\$and${Ct}\\s*\\[`,"i")},{id:"nosql-nor-operator",description:"$nor — logical NOR operator injection",pattern:new RegExp(`\\$nor${Ct}\\s*\\[`,"i")},{id:"nosql-exists-operator",description:"$exists — can enumerate fields to determine schema",pattern:new RegExp(`\\$exists${Ct}`,"i")},{id:"nosql-in-operator",description:"$in — matches any value in a list; can enumerate values",pattern:new RegExp(`\\$in${Ct}\\s*\\[`,"i")},{id:"nosql-expr-operator",description:"$expr — allows aggregation expressions in queries (MongoDB 3.6+)",pattern:new RegExp(`\\$expr${Ct}`,"i")},{id:"nosql-function-operator",description:"$function — executes arbitrary JavaScript in MongoDB 4.4+",pattern:new RegExp(`\\$function${Ct}`,"i")},{id:"nosql-accumulator-operator",description:"$accumulator — custom aggregation with arbitrary JS execution",pattern:new RegExp(`\\$accumulator${Ct}`,"i")},{id:"nosql-proto-pollution",description:"__proto__ — prototype pollution via object key injection",pattern:/__proto__/},{id:"nosql-constructor-prototype",description:"constructor.prototype — alternative prototype pollution vector (dot notation or JSON key)",pattern:/constructor[\s"':.,{\[]*prototype/i},{id:"nosql-proto-bracket",description:'["__proto__"] — bracket-notation prototype pollution',pattern:/\[["']__proto__["']\]/}],Ot=[{id:"log-crlf-injection",description:"CRLF injection: literal \\r or \\n embeds fake log lines",pattern:/[\r\n]/},{id:"log-url-encoded-crlf",description:"URL-encoded CRLF: %0d, %0a, %0D, %0A — decoded by some log parsers",pattern:/%0[dDaA]/},{id:"log-unicode-newline",description:"Unicode newline variants: U+2028 (line separator), U+2029 (paragraph separator)",pattern:/[\u2028\u2029]/},{id:"log-log4shell-jndi",description:"Log4Shell: ${jndi:...} triggers remote code execution in Apache Log4j",pattern:/\$\{jndi\s*:/i},{id:"log-log4shell-obfuscated",description:"Obfuscated Log4Shell: ${::-j}... lookup-bypass prefix used to evade WAF detection",pattern:/\$\{::-/},{id:"log-log4j-lookup",description:"Log4j lookup syntax: ${env:...}, ${sys:...}, ${ctx:...} — data exfiltration",pattern:/\$\{(?:env|sys|ctx|main|map|sd|web|docker|k8s|spring)\s*:/i},{id:"log-ssti-double-brace",description:"SSTI double-brace: {{expression}} — Jinja2, Twig, Handlebars, etc.",pattern:/\{\{[\s\S]{0,80}\}\}/},{id:"log-ssti-hash-brace",description:"SSTI hash-brace: #{expression} — Thymeleaf, Velocity, Ruby ERB",pattern:/#\{[\s\S]{0,80}\}/},{id:"log-ssti-dollar-brace",description:"SSTI/EL injection: ${expression with operators or method calls} — JSP EL, Freemarker, SpEL",pattern:/\$\{[^}]*(?:\.|\(|\*|\+|\bclass\b|\bruntime\b|\bprocess\b|\bexec\b)[^}]{0,80}\}/i},{id:"log-ssti-percent-tag",description:"SSTI ERB/ASP tag: <%= expression %> — Ruby ERB, ASP",pattern:/<%=[\s\S]{0,80}%>/},{id:"log-null-byte",description:"Null byte: \\x00 or %00 — can truncate log entries in C-backed loggers",pattern:/\x00|%00/},{id:"log-ansi-escape",description:"ANSI escape sequence: ESC[ — can manipulate terminal output when logs are tailed",pattern:/\x1b\[/}];function $t(t,e){const i=e.label??"CUSTOM";for(const r of e)if(r.pattern.test(t))return{context:i,id:r.id,description:r.description,pattern:r.pattern};return null}function jt(t,e){(function(t){if("string"!=typeof t)throw new TypeError("is-unsafe: first argument must be a string, got "+typeof t)})(t),function(t){if(!(t instanceof RegExp)){if(!Array.isArray(t))throw new TypeError("is-unsafe: second argument must be a PatternList (e.g. HTML), an array of PatternLists (e.g. [HTML, XML]), or a RegExp. 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yt({namedEntities:It({},r,e),numericAllowed:this.options.htmlEntities,limit:{maxTotalExpansions:this.options.processEntities.maxTotalExpansions,maxExpandedLength:this.options.processEntities.maxExpandedLength,applyLimitsTo:this.options.processEntities.appliesTo},onInputEntity:function(t,e){return jt(e,[wt,St])?ct.BLOCK:ct.ALLOW}})),this.matcher=new st,this.readonlyMatcher=this.matcher.readOnly(),this.isCurrentNodeStopNode=!1,this.stopNodeExpressionsSet=new ot;var n=this.options.stopNodes;if(n&&n.length>0){for(var s=0;s<n.length;s++){var a=n[s];"string"==typeof a?this.stopNodeExpressionsSet.add(new at(a)):a instanceof at&&this.stopNodeExpressionsSet.add(a)}this.stopNodeExpressionsSet.seal()}};function Rt(t,e,i,r,n,s,a){var o=this.options;if(void 0!==t&&(o.trimValues&&!r&&(t=t.trim()),t.length>0)){a||(t=this.replaceEntitiesValue(t,e,i));var l=o.jPath?i.toString():i,p=o.tagValueProcessor(e,t,l,n,s);return null==p?t:typeof p!=typeof 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e;!0===this.options.ignoreAttributes||this.options.attributesGroupName?this.isAttribute=function(){return!1}:(this.ignoreAttributesFn="function"==typeof(e=this.options.ignoreAttributes)?e:Array.isArray(e)?t=>{for(const i of e){if("string"==typeof i&&t===i)return!0;if(i instanceof RegExp&&i.test(t))return!0}}:()=>!1,this.attrPrefixLen=this.options.attributeNamePrefix.length,this.isAttribute=je),this.processTextOrObjNode=Oe,this.options.format?(this.indentate=$e,this.tagEndChar=">\n",this.newLine="\n"):(this.indentate=function(){return""},this.tagEndChar=">",this.newLine="")}function Pe(t,e,i,r,n){return i.sanitizeName?me(t,{xmlVersion:n})?t:i.sanitizeName(t,{isAttribute:e,matcher:r.readOnly()}):t}function Oe(t,e,i,r,n){const s=this.extractAttributes(t);if(r.push(e,s),this.checkStopNode(r)){const n=this.buildRawContent(t),s=this.buildAttributesForStopNode(t);return r.pop(),this.buildObjectNode(n,e,s,i)}const a=this.j2x(t,i+1,r,n);return r.pop(),"?"===e[0]?this.buildTextValNode("",e,a.attrStr,i,r):void 0!==t[this.options.textNodeName]&&1===Object.keys(t).length?this.buildTextValNode(t[this.options.textNodeName],e,a.attrStr,i,r):this.buildObjectNode(a.val,e,a.attrStr,i)}function $e(t){return this.options.indentBy.repeat(t)}function je(t){return!(!t.startsWith(this.options.attributeNamePrefix)||t===this.options.textNodeName)&&t.substr(this.attrPrefixLen)}Ce.prototype.build=function(t){if(this.options.preserveOrder)return be(t,this.options);{Array.isArray(t)&&this.options.arrayNodeName&&this.options.arrayNodeName.length>1&&(t={[this.options.arrayNodeName]:t});const e=new st,i=function(t,e){const i=t["?xml"];if(i&&"object"==typeof i){if(e.attributesGroupName&&i[e.attributesGroupName]){const t=i[e.attributesGroupName][e.attributeNamePrefix+"version"];if(t)return t}const t=i[e.attributeNamePrefix+"version"];if(t)return t}return"1.0"}(t,this.options);return this.j2x(t,0,e,i).val}},Ce.prototype.j2x=function(t,e,i,r){let n="",s="";if(this.options.maxNestedTags&&i.getDepth()>=this.options.maxNestedTags)throw new Error("Maximum nested tags exceeded");const a=this.options.jPath?i.toString():i,o=this.checkStopNode(i);for(let l in t){if(!Object.prototype.hasOwnProperty.call(t,l))continue;const p=l===this.options.textNodeName||l===this.options.cdataPropName||l===this.options.commentPropName||this.options.attributesGroupName&&l===this.options.attributesGroupName||this.isAttribute(l)||"?"===l[0]?l:Pe(l,!1,this.options,i,r);if(void 0===t[l])this.isAttribute(l)&&(s+="");else if(null===t[l])this.isAttribute(l)||p===this.options.cdataPropName||p===this.options.commentPropName?s+="":"?"===p[0]?s+=this.indentate(e)+"<"+p+"?"+this.tagEndChar:s+=this.indentate(e)+"<"+p+"/"+this.tagEndChar;else if(t[l]instanceof Date)s+=this.buildTextValNode(t[l],p,"",e,i);else if("object"!=typeof t[l]){const h=this.isAttribute(l);if(h&&!this.ignoreAttributesFn(h,a)){const e=Pe(h,!0,this.options,i,r);n+=this.buildAttrPairStr(e,""+t[l],o)}else if(!h)if(l===this.options.textNodeName){let e=this.options.tagValueProcessor(l,""+t[l]);s+=this.replaceEntitiesValue(e)}else{i.push(p);const r=this.checkStopNode(i);if(i.pop(),r){const i=""+t[l];s+=""===i?this.indentate(e)+"<"+p+this.closeTag(p)+this.tagEndChar:this.indentate(e)+"<"+p+">"+i+"</"+p+this.tagEndChar}else s+=this.buildTextValNode(t[l],p,"",e,i)}}else if(Array.isArray(t[l])){const n=t[l].length;let a="",o="";for(let h=0;h<n;h++){const n=t[l][h];if(void 0===n);else if(null===n)"?"===p[0]?s+=this.indentate(e)+"<"+p+"?"+this.tagEndChar:s+=this.indentate(e)+"<"+p+"/"+this.tagEndChar;else if("object"==typeof n)if(this.options.oneListGroup){i.push(p);const t=this.j2x(n,e+1,i,r);i.pop(),a+=t.val,this.options.attributesGroupName&&n.hasOwnProperty(this.options.attributesGroupName)&&(o+=t.attrStr)}else a+=this.processTextOrObjNode(n,p,e,i,r);else if(this.options.oneListGroup){let t=this.options.tagValueProcessor(p,n);t=this.replaceEntitiesValue(t),a+=t}else{i.push(p);const t=this.checkStopNode(i);if(i.pop(),t){const t=""+n;a+=""===t?this.indentate(e)+"<"+p+this.closeTag(p)+this.tagEndChar:this.indentate(e)+"<"+p+">"+t+"</"+p+this.tagEndChar}else a+=this.buildTextValNode(n,p,"",e,i)}}this.options.oneListGroup&&(a=this.buildObjectNode(a,p,o,e)),s+=a}else if(this.options.attributesGroupName&&l===this.options.attributesGroupName){const e=Object.keys(t[l]),s=e.length;for(let a=0;a<s;a++){const s=Pe(e[a],!0,this.options,i,r);n+=this.buildAttrPairStr(s,""+t[l][e[a]],o)}}else s+=this.processTextOrObjNode(t[l],p,e,i,r)}return{attrStr:n,val:s}},Ce.prototype.buildAttrPairStr=function(t,e,i){return i||(e=this.options.attributeValueProcessor(t,""+e),e=this.replaceEntitiesValue(e)),this.options.suppressBooleanAttributes&&"true"===e?" "+t:" "+t+'="'+pe(e)+'"'},Ce.prototype.extractAttributes=function(t){if(!t||"object"!=typeof t)return null;const e={};let i=!1;if(this.options.attributesGroupName&&t[this.options.attributesGroupName]){const r=t[this.options.attributesGroupName];for(let t in r)Object.prototype.hasOwnProperty.call(r,t)&&(e[t.startsWith(this.options.attributeNamePrefix)?t.substring(this.options.attributeNamePrefix.length):t]=pe(r[t]),i=!0)}else for(let r in t){if(!Object.prototype.hasOwnProperty.call(t,r))continue;const n=this.isAttribute(r);n&&(e[n]=pe(t[r]),i=!0)}return i?e:null},Ce.prototype.buildRawContent=function(t){if("string"==typeof t)return t;if("object"!=typeof t||null===t)return String(t);if(void 0!==t[this.options.textNodeName])return t[this.options.textNodeName];let e="";for(let i in t){if(!Object.prototype.hasOwnProperty.call(t,i))continue;if(this.isAttribute(i))continue;if(this.options.attributesGroupName&&i===this.options.attributesGroupName)continue;const r=t[i];if(i===this.options.textNodeName)e+=r;else if(Array.isArray(r)){for(let t of r)if("string"==typeof t||"number"==typeof t)e+=`<${i}>${t}</${i}>`;else if("object"==typeof t&&null!==t){const r=this.buildRawContent(t),n=this.buildAttributesForStopNode(t);e+=""===r?`<${i}${n}/>`:`<${i}${n}>${r}</${i}>`}}else if("object"==typeof r&&null!==r){const t=this.buildRawContent(r),n=this.buildAttributesForStopNode(r);e+=""===t?`<${i}${n}/>`:`<${i}${n}>${t}</${i}>`}else e+=`<${i}>${r}</${i}>`}return e},Ce.prototype.buildAttributesForStopNode=function(t){if(!t||"object"!=typeof t)return"";let e="";if(this.options.attributesGroupName&&t[this.options.attributesGroupName]){const i=t[this.options.attributesGroupName];for(let t in i){if(!Object.prototype.hasOwnProperty.call(i,t))continue;const r=t.startsWith(this.options.attributeNamePrefix)?t.substring(this.options.attributeNamePrefix.length):t,n=i[t];!0===n&&this.options.suppressBooleanAttributes?e+=" "+r:e+=" "+r+'="'+n+'"'}}else for(let i in t){if(!Object.prototype.hasOwnProperty.call(t,i))continue;const r=this.isAttribute(i);if(r){const n=t[i];!0===n&&this.options.suppressBooleanAttributes?e+=" "+r:e+=" "+r+'="'+n+'"'}}return e},Ce.prototype.buildObjectNode=function(t,e,i,r){if(""===t)return"?"===e[0]?this.indentate(r)+"<"+e+i+"?"+this.tagEndChar:this.indentate(r)+"<"+e+i+this.closeTag(e)+this.tagEndChar;if("?"===e[0])return this.indentate(r)+"<"+e+i+"?"+this.tagEndChar;{let n="</"+e+this.tagEndChar,s="";return"?"===e[0]&&(s="?",n=""),!i&&""!==i||-1!==t.indexOf("<")?!1!==this.options.commentPropName&&e===this.options.commentPropName&&0===s.length?this.indentate(r)+`\x3c!--${t}--\x3e`+this.newLine:this.indentate(r)+"<"+e+i+s+this.tagEndChar+t+this.indentate(r)+n:this.indentate(r)+"<"+e+i+s+">"+t+n}},Ce.prototype.closeTag=function(t){let e="";return-1!==this.options.unpairedTags.indexOf(t)?this.options.suppressUnpairedNode||(e="/"):e=this.options.suppressEmptyNode?"/":`></${t}`,e},Ce.prototype.checkStopNode=function(t){if(!this.stopNodeExpressions||0===this.stopNodeExpressions.length)return!1;for(let e=0;e<this.stopNodeExpressions.length;e++)if(t.matches(this.stopNodeExpressions[e]))return!0;return!1},Ce.prototype.buildTextValNode=function(t,e,i,r,n){if(!1!==this.options.cdataPropName&&e===this.options.cdataPropName){const e=le(t);return this.indentate(r)+`<![CDATA[${e}]]>`+this.newLine}if(!1!==this.options.commentPropName&&e===this.options.commentPropName){const e=oe(t);return this.indentate(r)+`\x3c!--${e}--\x3e`+this.newLine}if("?"===e[0])return this.indentate(r)+"<"+e+i+"?"+this.tagEndChar;{let n=this.options.tagValueProcessor(e,t);return n=this.replaceEntitiesValue(n),""===n?this.indentate(r)+"<"+e+i+this.closeTag(e)+this.tagEndChar:this.indentate(r)+"<"+e+i+">"+n+"</"+e+this.tagEndChar}},Ce.prototype.replaceEntitiesValue=function(t){if(t&&t.length>0&&this.options.processEntities)for(let e=0;e<this.options.entities.length;e++){const i=this.options.entities[e];t=t.replace(i.regex,i.val)}return t};const Ie=Ce;var ke={validate:p};return e})()); |