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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 | 6x 6x 6x 6x 6x 6x 6x 6x 23x 11x 11x 12x 4x 1x 4x 2x 64x 63x 2x 2x 6x 12x 2x 10x 10x 1x 9x 9x 6x 6x 3x 6x 15x 1x 14x 14x 1x 13x 1x 12x 1x 11x 3x 8x 6x 4x 4x 4x 2x 4x 4x 2x 4x 6x 6x 117x 1x 116x 116x 58x 58x 83x 58x 6x 41x 1x 40x 1x 39x 39x 2x 37x 121x 59x 62x 183x 3x 59x 84x 59x 37x 3x 34x 1x 33x | export enum LogLevel {
DEBUG = 0,
INFO = 1,
WARN = 2,
ERROR = 3,
}
const SEVERITY_ORDER: Record<string, number> = {
debug: LogLevel.DEBUG,
info: LogLevel.INFO,
warn: LogLevel.WARN,
error: LogLevel.ERROR,
};
export class Logger {
private static minLevel: LogLevel = LogLevel.DEBUG;
static setLevel(level: string | LogLevel): void {
if (typeof level === 'string') {
const lowerLevel = level.toLowerCase();
Logger.minLevel = SEVERITY_ORDER[lowerLevel] ?? LogLevel.DEBUG;
} else {
Logger.minLevel = level;
}
}
static debug(message: string, category: string = 'general'): void {
if (LogLevel.DEBUG >= Logger.minLevel) {
console.debug(`[${category}] DEBUG: ${message}`);
}
}
static info(message: string, category: string = 'general'): void {
if (LogLevel.INFO >= Logger.minLevel) {
console.info(`[${category}] INFO: ${message}`);
}
}
static warn(message: string, category: string = 'general'): void {
if (LogLevel.WARN >= Logger.minLevel) {
console.warn(`[${category}] WARN: ${message}`);
}
}
static error(message: string, category: string = 'general'): void {
if (LogLevel.ERROR >= Logger.minLevel) {
console.error(`[${category}] ERROR: ${message}`);
}
}
}
// ==================== URL & Model Validation ====================
export function validateOllamaUrl(url: string): { valid: boolean; error?: string } {
if (typeof url !== 'string' || !url.trim()) {
return { valid: false, error: 'URL cannot be empty' };
}
const trimmedUrl = url.trim();
if (trimmedUrl.endsWith('/')) {
return { valid: false, error: 'URL should not end with a slash' };
}
try {
const parsed = new URL(trimmedUrl);
Iif (parsed.protocol !== 'http:' && parsed.protocol !== 'https:') {
return { valid: false, error: 'Must be a valid HTTP or HTTPS URL' };
}
return { valid: true };
} catch {
return { valid: false, error: 'Must be a valid HTTP or HTTPS URL' };
}
}
export function validateModelName(model: string): { valid: boolean; error?: string } {
if (typeof model !== 'string') {
return { valid: false, error: 'Model name must be a string' };
}
const trimmedModel = model.trim();
// Explicit check for empty string after trimming
if (!trimmedModel || trimmedModel.length === 0) {
return { valid: false, error: 'Model name cannot be empty' };
}
if (trimmedModel.length < 2) {
return { valid: false, error: 'Model name must be at least 2 characters long' };
}
if (trimmedModel.length > 100) {
return { valid: false, error: 'Model name must be less than 100 characters long' };
}
if (!/^[a-zA-Z0-9._:-]+$/.test(trimmedModel)) {
return {
valid: false,
error: 'Model name can only contain letters, numbers, dots, dashes, underscores, and colons',
};
}
return { valid: true };
}
export function validatePluginSettings(settings: { ollamaUrl: string; model: string }): string[] {
const errors: string[] = [];
const urlValidation = validateOllamaUrl(settings.ollamaUrl);
if (!urlValidation.valid) {
errors.push(`Invalid Ollama URL: ${urlValidation.error}`);
}
const modelValidation = validateModelName(settings.model);
if (!modelValidation.valid) {
errors.push(`Invalid Model Name: ${modelValidation.error}`);
}
return errors;
}
// ==================== Safe JSON Parsing ====================
const MAX_JSON_SIZE = 1_000_000;
const MAX_JSON_NESTING = 24;
function countNestingDepth(value: unknown, depth: number = 0): number {
if (depth > MAX_JSON_NESTING) {
return depth;
}
Iif (Array.isArray(value)) {
return Math.max(...value.map((item) => countNestingDepth(item, depth + 1)), depth);
}
if (value !== null && typeof value === 'object') {
const entries = Object.values(value as Record<string, unknown>);
if (entries.length === 0) return depth;
return Math.max(...entries.map((item) => countNestingDepth(item, depth + 1)), depth);
}
return depth;
}
export function safeParseJson(jsonString: string): unknown {
if (typeof jsonString !== 'string') {
throw new Error('Input must be a string');
}
if (jsonString.length > MAX_JSON_SIZE) {
throw new Error('JSON input too large');
}
let parsed: unknown;
try {
parsed = JSON.parse(jsonString);
} catch {
throw new Error('Invalid JSON');
}
// Check for dangerous prototype pollution patterns in object keys only
const checkDangerousPatterns = (obj: unknown): boolean => {
if (typeof obj !== 'object' || obj === null) {
return false;
}
const dangerousKeys = ['constructor', 'prototype', '__proto__'];
if (dangerousKeys.some((key) => Object.keys(obj).includes(key))) {
return true;
}
// Recursively check nested objects
for (const key in obj as Record<string, unknown>) {
Iif (checkDangerousPatterns((obj as Record<string, unknown>)[key])) {
return true;
}
}
return false;
};
if (checkDangerousPatterns(parsed)) {
throw new Error('dangerous code pattern detected');
}
// Check nesting depth
if (countNestingDepth(parsed) > MAX_JSON_NESTING) {
throw new Error('JSON nesting too deep');
}
return parsed;
}
// ==================== Markdown Utilities ====================
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