brutehash.js

'use strict';

const propNames = [
  "canvas",
  "drawingBufferWidth",
  "drawingBufferHeight",
  "activeTexture",
  "attachShader",
  "bindAttribLocation",
  "bindBuffer",
  "bindFramebuffer",
  "bindRenderbuffer",
  "bindTexture",
  "blendColor",
  "blendEquation",
  "blendEquationSeparate",
  "blendFunc",
  "blendFuncSeparate",
  "bufferData",
  "bufferSubData",
  "checkFramebufferStatus",
  "clear",
  "clearColor",
  "clearDepth",
  "clearStencil",
  "colorMask",
  "compileShader",
  "compressedTexImage2D",
  "compressedTexSubImage2D",
  "copyTexImage2D",
  "copyTexSubImage2D",
  "createBuffer",
  "createFramebuffer",
  "createProgram",
  "createRenderbuffer",
  "createShader",
  "createTexture",
  "cullFace",
  "deleteBuffer",
  "deleteFramebuffer",
  "deleteProgram",
  "deleteRenderbuffer",
  "deleteShader",
  "deleteTexture",
  "depthFunc",
  "depthMask",
  "depthRange",
  "detachShader",
  "disable",
  "disableVertexAttribArray",
  "drawArrays",
  "drawElements",
  "enable",
  "enableVertexAttribArray",
  "finish",
  "flush",
  "framebufferRenderbuffer",
  "framebufferTexture2D",
  "frontFace",
  "generateMipmap",
  "getActiveAttrib",
  "getActiveUniform",
  "getAttachedShaders",
  "getAttribLocation",
  "getBufferParameter",
  "getContextAttributes",
  "getError",
  "getExtension",
  "getFramebufferAttachmentParameter",
  "getParameter",
  "getProgramParameter",
  "getProgramInfoLog",
  "getRenderbufferParameter",
  "getShaderParameter",
  "getShaderInfoLog",
  "getShaderPrecisionFormat",
  "getShaderSource",
  "getSupportedExtensions",
  "getTexParameter",
  "getUniform",
  "getUniformLocation",
  "getVertexAttrib",
  "getVertexAttribOffset",
  "hint",
  "isBuffer",
  "isContextLost",
  "isEnabled",
  "isFramebuffer",
  "isProgram",
  "isRenderbuffer",
  "isShader",
  "isTexture",
  "lineWidth",
  "linkProgram",
  "pixelStorei",
  "polygonOffset",
  "readPixels",
  "renderbufferStorage",
  "sampleCoverage",
  "scissor",
  "shaderSource",
  "stencilFunc",
  "stencilFuncSeparate",
  "stencilMask",
  "stencilMaskSeparate",
  "stencilOp",
  "stencilOpSeparate",
  "texParameterf",
  "texParameteri",
  "texImage2D",
  "texSubImage2D",
  "uniform1f",
  "uniform1fv",
  "uniform1i",
  "uniform1iv",
  "uniform2f",
  "uniform2fv",
  "uniform2i",
  "uniform2iv",
  "uniform3f",
  "uniform3fv",
  "uniform3i",
  "uniform3iv",
  "uniform4f",
  "uniform4fv",
  "uniform4i",
  "uniform4iv",
  "uniformMatrix2fv",
  "uniformMatrix3fv",
  "uniformMatrix4fv",
  "useProgram",
  "validateProgram",
  "vertexAttrib1f",
  "vertexAttrib1fv",
  "vertexAttrib2f",
  "vertexAttrib2fv",
  "vertexAttrib3f",
  "vertexAttrib3fv",
  "vertexAttrib4f",
  "vertexAttrib4fv",
  "vertexAttribPointer",
  "viewport",
  "DEPTH_BUFFER_BIT",
  "STENCIL_BUFFER_BIT",
  "COLOR_BUFFER_BIT",
  "POINTS",
  "LINES",
  "LINE_LOOP",
  "LINE_STRIP",
  "TRIANGLES",
  "TRIANGLE_STRIP",
  "TRIANGLE_FAN",
  "ZERO",
  "ONE",
  "SRC_COLOR",
  "ONE_MINUS_SRC_COLOR",
  "SRC_ALPHA",
  "ONE_MINUS_SRC_ALPHA",
  "DST_ALPHA",
  "ONE_MINUS_DST_ALPHA",
  "DST_COLOR",
  "ONE_MINUS_DST_COLOR",
  "SRC_ALPHA_SATURATE",
  "FUNC_ADD",
  "BLEND_EQUATION",
  "BLEND_EQUATION_RGB",
  "BLEND_EQUATION_ALPHA",
  "FUNC_SUBTRACT",
  "FUNC_REVERSE_SUBTRACT",
  "BLEND_DST_RGB",
  "BLEND_SRC_RGB",
  "BLEND_DST_ALPHA",
  "BLEND_SRC_ALPHA",
  "CONSTANT_COLOR",
  "ONE_MINUS_CONSTANT_COLOR",
  "CONSTANT_ALPHA",
  "ONE_MINUS_CONSTANT_ALPHA",
  "BLEND_COLOR",
  "ARRAY_BUFFER",
  "ELEMENT_ARRAY_BUFFER",
  "ARRAY_BUFFER_BINDING",
  "ELEMENT_ARRAY_BUFFER_BINDING",
  "STREAM_DRAW",
  "STATIC_DRAW",
  "DYNAMIC_DRAW",
  "BUFFER_SIZE",
  "BUFFER_USAGE",
  "CURRENT_VERTEX_ATTRIB",
  "FRONT",
  "BACK",
  "FRONT_AND_BACK",
  "TEXTURE_2D",
  "CULL_FACE",
  "BLEND",
  "DITHER",
  "STENCIL_TEST",
  "DEPTH_TEST",
  "SCISSOR_TEST",
  "POLYGON_OFFSET_FILL",
  "SAMPLE_ALPHA_TO_COVERAGE",
  "SAMPLE_COVERAGE",
  "NO_ERROR",
  "INVALID_ENUM",
  "INVALID_VALUE",
  "INVALID_OPERATION",
  "OUT_OF_MEMORY",
  "CW",
  "CCW",
  "LINE_WIDTH",
  "ALIASED_POINT_SIZE_RANGE",
  "ALIASED_LINE_WIDTH_RANGE",
  "CULL_FACE_MODE",
  "FRONT_FACE",
  "DEPTH_RANGE",
  "DEPTH_WRITEMASK",
  "DEPTH_CLEAR_VALUE",
  "DEPTH_FUNC",
  "STENCIL_CLEAR_VALUE",
  "STENCIL_FUNC",
  "STENCIL_FAIL",
  "STENCIL_PASS_DEPTH_FAIL",
  "STENCIL_PASS_DEPTH_PASS",
  "STENCIL_REF",
  "STENCIL_VALUE_MASK",
  "STENCIL_WRITEMASK",
  "STENCIL_BACK_FUNC",
  "STENCIL_BACK_FAIL",
  "STENCIL_BACK_PASS_DEPTH_FAIL",
  "STENCIL_BACK_PASS_DEPTH_PASS",
  "STENCIL_BACK_REF",
  "STENCIL_BACK_VALUE_MASK",
  "STENCIL_BACK_WRITEMASK",
  "VIEWPORT",
  "SCISSOR_BOX",
  "COLOR_CLEAR_VALUE",
  "COLOR_WRITEMASK",
  "UNPACK_ALIGNMENT",
  "PACK_ALIGNMENT",
  "MAX_TEXTURE_SIZE",
  "MAX_VIEWPORT_DIMS",
  "SUBPIXEL_BITS",
  "RED_BITS",
  "GREEN_BITS",
  "BLUE_BITS",
  "ALPHA_BITS",
  "DEPTH_BITS",
  "STENCIL_BITS",
  "POLYGON_OFFSET_UNITS",
  "POLYGON_OFFSET_FACTOR",
  "TEXTURE_BINDING_2D",
  "SAMPLE_BUFFERS",
  "SAMPLES",
  "SAMPLE_COVERAGE_VALUE",
  "SAMPLE_COVERAGE_INVERT",
  "COMPRESSED_TEXTURE_FORMATS",
  "DONT_CARE",
  "FASTEST",
  "NICEST",
  "GENERATE_MIPMAP_HINT",
  "BYTE",
  "UNSIGNED_BYTE",
  "SHORT",
  "UNSIGNED_SHORT",
  "INT",
  "UNSIGNED_INT",
  "FLOAT",
  "DEPTH_COMPONENT",
  "ALPHA",
  "RGB",
  "RGBA",
  "LUMINANCE",
  "LUMINANCE_ALPHA",
  "UNSIGNED_SHORT_4_4_4_4",
  "UNSIGNED_SHORT_5_5_5_1",
  "UNSIGNED_SHORT_5_6_5",
  "FRAGMENT_SHADER",
  "VERTEX_SHADER",
  "MAX_VERTEX_ATTRIBS",
  "MAX_VERTEX_UNIFORM_VECTORS",
  "MAX_VARYING_VECTORS",
  "MAX_COMBINED_TEXTURE_IMAGE_UNITS",
  "MAX_VERTEX_TEXTURE_IMAGE_UNITS",
  "MAX_TEXTURE_IMAGE_UNITS",
  "MAX_FRAGMENT_UNIFORM_VECTORS",
  "SHADER_TYPE",
  "DELETE_STATUS",
  "LINK_STATUS",
  "VALIDATE_STATUS",
  "ATTACHED_SHADERS",
  "ACTIVE_UNIFORMS",
  "ACTIVE_ATTRIBUTES",
  "SHADING_LANGUAGE_VERSION",
  "CURRENT_PROGRAM",
  "NEVER",
  "LESS",
  "EQUAL",
  "LEQUAL",
  "GREATER",
  "NOTEQUAL",
  "GEQUAL",
  "ALWAYS",
  "KEEP",
  "REPLACE",
  "INCR",
  "DECR",
  "INVERT",
  "INCR_WRAP",
  "DECR_WRAP",
  "VENDOR",
  "RENDERER",
  "VERSION",
  "NEAREST",
  "LINEAR",
  "NEAREST_MIPMAP_NEAREST",
  "LINEAR_MIPMAP_NEAREST",
  "NEAREST_MIPMAP_LINEAR",
  "LINEAR_MIPMAP_LINEAR",
  "TEXTURE_MAG_FILTER",
  "TEXTURE_MIN_FILTER",
  "TEXTURE_WRAP_S",
  "TEXTURE_WRAP_T",
  "TEXTURE",
  "TEXTURE_CUBE_MAP",
  "TEXTURE_BINDING_CUBE_MAP",
  "TEXTURE_CUBE_MAP_POSITIVE_X",
  "TEXTURE_CUBE_MAP_NEGATIVE_X",
  "TEXTURE_CUBE_MAP_POSITIVE_Y",
  "TEXTURE_CUBE_MAP_NEGATIVE_Y",
  "TEXTURE_CUBE_MAP_POSITIVE_Z",
  "TEXTURE_CUBE_MAP_NEGATIVE_Z",
  "MAX_CUBE_MAP_TEXTURE_SIZE",
  "TEXTURE0",
  "TEXTURE1",
  "TEXTURE2",
  "TEXTURE3",
  "TEXTURE4",
  "TEXTURE5",
  "TEXTURE6",
  "TEXTURE7",
  "TEXTURE8",
  "TEXTURE9",
  "TEXTURE10",
  "TEXTURE11",
  "TEXTURE12",
  "TEXTURE13",
  "TEXTURE14",
  "TEXTURE15",
  "TEXTURE16",
  "TEXTURE17",
  "TEXTURE18",
  "TEXTURE19",
  "TEXTURE20",
  "TEXTURE21",
  "TEXTURE22",
  "TEXTURE23",
  "TEXTURE24",
  "TEXTURE25",
  "TEXTURE26",
  "TEXTURE27",
  "TEXTURE28",
  "TEXTURE29",
  "TEXTURE30",
  "TEXTURE31",
  "ACTIVE_TEXTURE",
  "REPEAT",
  "CLAMP_TO_EDGE",
  "MIRRORED_REPEAT",
  "FLOAT_VEC2",
  "FLOAT_VEC3",
  "FLOAT_VEC4",
  "INT_VEC2",
  "INT_VEC3",
  "INT_VEC4",
  "BOOL",
  "BOOL_VEC2",
  "BOOL_VEC3",
  "BOOL_VEC4",
  "FLOAT_MAT2",
  "FLOAT_MAT3",
  "FLOAT_MAT4",
  "SAMPLER_2D",
  "SAMPLER_CUBE",
  "VERTEX_ATTRIB_ARRAY_ENABLED",
  "VERTEX_ATTRIB_ARRAY_SIZE",
  "VERTEX_ATTRIB_ARRAY_STRIDE",
  "VERTEX_ATTRIB_ARRAY_TYPE",
  "VERTEX_ATTRIB_ARRAY_NORMALIZED",
  "VERTEX_ATTRIB_ARRAY_POINTER",
  "VERTEX_ATTRIB_ARRAY_BUFFER_BINDING",
  "IMPLEMENTATION_COLOR_READ_TYPE",
  "IMPLEMENTATION_COLOR_READ_FORMAT",
  "COMPILE_STATUS",
  "LOW_FLOAT",
  "MEDIUM_FLOAT",
  "HIGH_FLOAT",
  "LOW_INT",
  "MEDIUM_INT",
  "HIGH_INT",
  "FRAMEBUFFER",
  "RENDERBUFFER",
  "RGBA4",
  "RGB5_A1",
  "RGB565",
  "DEPTH_COMPONENT16",
  "STENCIL_INDEX",
  "STENCIL_INDEX8",
  "DEPTH_STENCIL",
  "RENDERBUFFER_WIDTH",
  "RENDERBUFFER_HEIGHT",
  "RENDERBUFFER_INTERNAL_FORMAT",
  "RENDERBUFFER_RED_SIZE",
  "RENDERBUFFER_GREEN_SIZE",
  "RENDERBUFFER_BLUE_SIZE",
  "RENDERBUFFER_ALPHA_SIZE",
  "RENDERBUFFER_DEPTH_SIZE",
  "RENDERBUFFER_STENCIL_SIZE",
  "FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE",
  "FRAMEBUFFER_ATTACHMENT_OBJECT_NAME",
  "FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL",
  "FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE",
  "COLOR_ATTACHMENT0",
  "DEPTH_ATTACHMENT",
  "STENCIL_ATTACHMENT",
  "DEPTH_STENCIL_ATTACHMENT",
  "NONE",
  "FRAMEBUFFER_COMPLETE",
  "FRAMEBUFFER_INCOMPLETE_ATTACHMENT",
  "FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT",
  "FRAMEBUFFER_INCOMPLETE_DIMENSIONS",
  "FRAMEBUFFER_UNSUPPORTED",
  "FRAMEBUFFER_BINDING",
  "RENDERBUFFER_BINDING",
  "MAX_RENDERBUFFER_SIZE",
  "INVALID_FRAMEBUFFER_OPERATION",
  "UNPACK_FLIP_Y_WEBGL",
  "UNPACK_PREMULTIPLY_ALPHA_WEBGL",
  "CONTEXT_LOST_WEBGL",
  "UNPACK_COLORSPACE_CONVERSION_WEBGL",
  "BROWSER_DEFAULT_WEBGL"
];


const needed = [
	'createProgram',
	'shaderSource',
	'createShader',
	'compileShader',
	'attachShader',
	'linkProgram',
	'useProgram',
	'bindBuffer',
	'createBuffer',
	'enableVertexAttribArray',
	'vertexAttribPointer',
	'bufferData',
	'getUniformLocation',
	'drawArrays'
];

const MAX_PROPNAME_LENGTH = propNames.map(v => v.length).reduce((a, b) => Math.max(a, b));

const checkHash = (positions) => {
	const hasher = s => {
		let hash = '';
		for (let position of positions) {
			hash += [s[position]];
		}
		return hash;
	}

	const hashes = Object.create(null);
	for (let str of propNames) {
		hashes[hasher(str)] = str;
	}

	for (let str of needed) {
		if (hashes[hasher(str)] !== str) {
			return false;
		}
	}

	return true;
}

const bruteforce = function* bruteforceGen (arr, startPos) {
	for (let i = startPos; i <= MAX_PROPNAME_LENGTH; i++) {
		yield arr.concat(i);
		yield* bruteforceGen(arr.concat(i), i + 1);
	}
}

const candidates = [];

for (let pos of bruteforce([], 0)) {
	if (checkHash(pos)) {
		candidates.push(pos);
	}
}

candidates.sort((a, b) => a.length - b.length);

console.log(candidates[0]);