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| 1 | +// Source: https://addons.mozilla.org/en-US/firefox/addon/adblock-for-youtube/ |
| 2 | +// https://robwu.nl/crxviewer/?crx=https%3A%2F%2Faddons.mozilla.org%2Fen-US%2Ffirefox%2Faddon%2Fadblock-for-youtube%2F |
| 3 | + |
| 4 | +/* |
| 5 | + Parts of this code is derived from set-constant.js: |
| 6 | + https://github.com/gorhill/uBlock/blob/5de0ce975753b7565759ac40983d31978d1f84ca/assets/resources/scriptlets.js#L704 |
| 7 | + */ |
| 8 | + |
| 9 | +{ |
| 10 | + let pruner = function (o) { |
| 11 | + delete o.playerAds; |
| 12 | + delete o.adPlacements; |
| 13 | + // |
| 14 | + if (o.playerResponse) { |
| 15 | + delete o.playerResponse.playerAds; |
| 16 | + delete o.playerResponse.adPlacements; |
| 17 | + } |
| 18 | + // |
| 19 | + return o; |
| 20 | + }; |
| 21 | + |
| 22 | + JSON.parse = new Proxy(JSON.parse, { |
| 23 | + apply: function () { |
| 24 | + return pruner(Reflect.apply(...arguments)); |
| 25 | + }, |
| 26 | + }); |
| 27 | + |
| 28 | + Response.prototype.json = new Proxy(Response.prototype.json, { |
| 29 | + apply: function () { |
| 30 | + return Reflect.apply(...arguments).then((o) => pruner(o)); |
| 31 | + }, |
| 32 | + }); |
| 33 | +} |
| 34 | + |
| 35 | +(function () { |
| 36 | + let cValue = "undefined"; |
| 37 | + const chain = "playerResponse.adPlacements"; |
| 38 | + const thisScript = document.currentScript; |
| 39 | + // |
| 40 | + if (cValue === "null") cValue = null; |
| 41 | + else if (cValue === "''") cValue = ""; |
| 42 | + else if (cValue === "true") cValue = true; |
| 43 | + else if (cValue === "false") cValue = false; |
| 44 | + else if (cValue === "undefined") cValue = undefined; |
| 45 | + else if (cValue === "noopFunc") cValue = function () {}; |
| 46 | + else if (cValue === "trueFunc") |
| 47 | + cValue = function () { |
| 48 | + return true; |
| 49 | + }; |
| 50 | + else if (cValue === "falseFunc") |
| 51 | + cValue = function () { |
| 52 | + return false; |
| 53 | + }; |
| 54 | + else if (/^\d+$/.test(cValue)) { |
| 55 | + cValue = parseFloat(cValue); |
| 56 | + // |
| 57 | + if (isNaN(cValue)) return; |
| 58 | + if (Math.abs(cValue) > 0x7fff) return; |
| 59 | + } else { |
| 60 | + return; |
| 61 | + } |
| 62 | + // |
| 63 | + let aborted = false; |
| 64 | + const mustAbort = function (v) { |
| 65 | + if (aborted) return true; |
| 66 | + aborted = |
| 67 | + v !== undefined && |
| 68 | + v !== null && |
| 69 | + cValue !== undefined && |
| 70 | + cValue !== null && |
| 71 | + typeof v !== typeof cValue; |
| 72 | + return aborted; |
| 73 | + }; |
| 74 | + |
| 75 | + /* |
| 76 | + Support multiple trappers for the same property: |
| 77 | + https://github.com/uBlockOrigin/uBlock-issues/issues/156 |
| 78 | + */ |
| 79 | + |
| 80 | + const trapProp = function (owner, prop, configurable, handler) { |
| 81 | + if (handler.init(owner[prop]) === false) { |
| 82 | + return; |
| 83 | + } |
| 84 | + // |
| 85 | + const odesc = Object.getOwnPropertyDescriptor(owner, prop); |
| 86 | + let prevGetter, prevSetter; |
| 87 | + if (odesc instanceof Object) { |
| 88 | + if (odesc.configurable === false) return; |
| 89 | + if (odesc.get instanceof Function) prevGetter = odesc.get; |
| 90 | + if (odesc.set instanceof Function) prevSetter = odesc.set; |
| 91 | + } |
| 92 | + // |
| 93 | + Object.defineProperty(owner, prop, { |
| 94 | + configurable, |
| 95 | + get() { |
| 96 | + if (prevGetter !== undefined) { |
| 97 | + prevGetter(); |
| 98 | + } |
| 99 | + // |
| 100 | + return handler.getter(); |
| 101 | + }, |
| 102 | + set(a) { |
| 103 | + if (prevSetter !== undefined) { |
| 104 | + prevSetter(a); |
| 105 | + } |
| 106 | + // |
| 107 | + handler.setter(a); |
| 108 | + }, |
| 109 | + }); |
| 110 | + }; |
| 111 | + |
| 112 | + const trapChain = function (owner, chain) { |
| 113 | + const pos = chain.indexOf("."); |
| 114 | + if (pos === -1) { |
| 115 | + trapProp(owner, chain, false, { |
| 116 | + v: undefined, |
| 117 | + getter: function () { |
| 118 | + return document.currentScript === thisScript ? this.v : cValue; |
| 119 | + }, |
| 120 | + setter: function (a) { |
| 121 | + if (mustAbort(a) === false) return; |
| 122 | + cValue = a; |
| 123 | + }, |
| 124 | + init: function (v) { |
| 125 | + if (mustAbort(v)) return false; |
| 126 | + // |
| 127 | + this.v = v; |
| 128 | + return true; |
| 129 | + }, |
| 130 | + }); |
| 131 | + // |
| 132 | + return; |
| 133 | + } |
| 134 | + // |
| 135 | + const prop = chain.slice(0, pos); |
| 136 | + const v = owner[prop]; |
| 137 | + // |
| 138 | + chain = chain.slice(pos + 1); |
| 139 | + if (v instanceof Object || (typeof v === "object" && v !== null)) { |
| 140 | + trapChain(v, chain); |
| 141 | + return; |
| 142 | + } |
| 143 | + // |
| 144 | + trapProp(owner, prop, true, { |
| 145 | + v: undefined, |
| 146 | + getter: function () { |
| 147 | + return this.v; |
| 148 | + }, |
| 149 | + setter: function (a) { |
| 150 | + this.v = a; |
| 151 | + if (a instanceof Object) trapChain(a, chain); |
| 152 | + }, |
| 153 | + init: function (v) { |
| 154 | + this.v = v; |
| 155 | + return true; |
| 156 | + }, |
| 157 | + }); |
| 158 | + }; |
| 159 | + // |
| 160 | + trapChain(window, chain); |
| 161 | +})(); |
| 162 | + |
| 163 | +(function () { |
| 164 | + let cValue = "undefined"; |
| 165 | + const thisScript = document.currentScript; |
| 166 | + const chain = "ytInitialPlayerResponse.adPlacements"; |
| 167 | + // |
| 168 | + if (cValue === "null") cValue = null; |
| 169 | + else if (cValue === "''") cValue = ""; |
| 170 | + else if (cValue === "true") cValue = true; |
| 171 | + else if (cValue === "false") cValue = false; |
| 172 | + else if (cValue === "undefined") cValue = undefined; |
| 173 | + else if (cValue === "noopFunc") cValue = function () {}; |
| 174 | + else if (cValue === "trueFunc") |
| 175 | + cValue = function () { |
| 176 | + return true; |
| 177 | + }; |
| 178 | + else if (cValue === "falseFunc") |
| 179 | + cValue = function () { |
| 180 | + return false; |
| 181 | + }; |
| 182 | + else if (/^\d+$/.test(cValue)) { |
| 183 | + cValue = parseFloat(cValue); |
| 184 | + // |
| 185 | + if (isNaN(cValue)) return; |
| 186 | + if (Math.abs(cValue) > 0x7fff) return; |
| 187 | + } else { |
| 188 | + return; |
| 189 | + } |
| 190 | + // |
| 191 | + let aborted = false; |
| 192 | + const mustAbort = function (v) { |
| 193 | + if (aborted) return true; |
| 194 | + aborted = |
| 195 | + v !== undefined && |
| 196 | + v !== null && |
| 197 | + cValue !== undefined && |
| 198 | + cValue !== null && |
| 199 | + typeof v !== typeof cValue; |
| 200 | + return aborted; |
| 201 | + }; |
| 202 | + |
| 203 | + /* |
| 204 | + Support multiple trappers for the same property: |
| 205 | + https://github.com/uBlockOrigin/uBlock-issues/issues/156 |
| 206 | + */ |
| 207 | + |
| 208 | + const trapProp = function (owner, prop, configurable, handler) { |
| 209 | + if (handler.init(owner[prop]) === false) { |
| 210 | + return; |
| 211 | + } |
| 212 | + // |
| 213 | + const odesc = Object.getOwnPropertyDescriptor(owner, prop); |
| 214 | + let prevGetter, prevSetter; |
| 215 | + if (odesc instanceof Object) { |
| 216 | + if (odesc.configurable === false) return; |
| 217 | + if (odesc.get instanceof Function) prevGetter = odesc.get; |
| 218 | + if (odesc.set instanceof Function) prevSetter = odesc.set; |
| 219 | + } |
| 220 | + // |
| 221 | + Object.defineProperty(owner, prop, { |
| 222 | + configurable, |
| 223 | + get() { |
| 224 | + if (prevGetter !== undefined) { |
| 225 | + prevGetter(); |
| 226 | + } |
| 227 | + // |
| 228 | + return handler.getter(); |
| 229 | + }, |
| 230 | + set(a) { |
| 231 | + if (prevSetter !== undefined) { |
| 232 | + prevSetter(a); |
| 233 | + } |
| 234 | + // |
| 235 | + handler.setter(a); |
| 236 | + }, |
| 237 | + }); |
| 238 | + }; |
| 239 | + |
| 240 | + const trapChain = function (owner, chain) { |
| 241 | + const pos = chain.indexOf("."); |
| 242 | + if (pos === -1) { |
| 243 | + trapProp(owner, chain, false, { |
| 244 | + v: undefined, |
| 245 | + getter: function () { |
| 246 | + return document.currentScript === thisScript ? this.v : cValue; |
| 247 | + }, |
| 248 | + setter: function (a) { |
| 249 | + if (mustAbort(a) === false) return; |
| 250 | + cValue = a; |
| 251 | + }, |
| 252 | + init: function (v) { |
| 253 | + if (mustAbort(v)) return false; |
| 254 | + // |
| 255 | + this.v = v; |
| 256 | + return true; |
| 257 | + }, |
| 258 | + }); |
| 259 | + // |
| 260 | + return; |
| 261 | + } |
| 262 | + // |
| 263 | + const prop = chain.slice(0, pos); |
| 264 | + const v = owner[prop]; |
| 265 | + // |
| 266 | + chain = chain.slice(pos + 1); |
| 267 | + if (v instanceof Object || (typeof v === "object" && v !== null)) { |
| 268 | + trapChain(v, chain); |
| 269 | + return; |
| 270 | + } |
| 271 | + // |
| 272 | + trapProp(owner, prop, true, { |
| 273 | + v: undefined, |
| 274 | + getter: function () { |
| 275 | + return this.v; |
| 276 | + }, |
| 277 | + setter: function (a) { |
| 278 | + this.v = a; |
| 279 | + if (a instanceof Object) trapChain(a, chain); |
| 280 | + }, |
| 281 | + init: function (v) { |
| 282 | + this.v = v; |
| 283 | + return true; |
| 284 | + }, |
| 285 | + }); |
| 286 | + }; |
| 287 | + // |
| 288 | + trapChain(window, chain); |
| 289 | +})(); |
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