Updated extensions:

 * Upgraded Privacy Redirect to 1.1.49 and configured to use the 10 most reliable invidious instances
 * Removed ViewTube
 * Added torproxy@icecat.gnu based on 'Proxy toggle' extension
 * Added jShelter 0.11.1
 * Upgraded LibreJS to 7.21.0
 * Upgraded HTTPS Everywhere to 2021.7.13
 * Upgraded SubmitMe to 1.9

1 files changed, 173 insertions, 0 deletions

diff --git a/data/extensions/jsr@javascriptrestrictor/wrappingL-SENSOR.js b/data/extensions/jsr@javascriptrestrictor/wrappingL-SENSOR.js
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+/** \file
+ * \brief Library of functions for the Generic Sensor API wrappers
+ *
+ * \see https://www.w3.org/TR/generic-sensor/
+ *
+ *  \author Copyright (C) 2021  Radek Hranicky
+ *
+ *  \license SPDX-License-Identifier: GPL-3.0-or-later
+ */
+ //
+ //  This program is free software: you can redistribute it and/or modify
+ //  it under the terms of the GNU General Public License as published by
+ //  the Free Software Foundation, either version 3 of the License, or
+ //  (at your option) any later version.
+ //
+ //  This program is distributed in the hope that it will be useful,
+ //  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ //  GNU General Public License for more details.
+ //
+ //  You should have received a copy of the GNU General Public License
+ //  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ //
+ /** \file
+  * \ingroup wrappers
+  *
+  * Supporting fuctions for Generic Sensor API Wrappers
+  */
+
+/*
+ * Functions for generating pseudorandom numbers.
+ * To make the behavior deterministic and same on the same domain,
+ * the generator uses domain hash as a seed.
+ */
+var sensorapi_prng_functions = `
+  // Generates a 32-bit from a string. Inspired by MurmurHash3 algorithm
+  // See: https://github.com/aappleby/smhasher/blob/master/src/MurmurHash3.cpp
+  function sen_generateSeed(s) {
+    var h;
+    for(var i = 0, h = 1779033703 ^ s.length; i < s.length; i++)
+      h = Math.imul(h ^ s.charCodeAt(i), 3432918353),
+      h = h << 13 | h >>> 19;
+    return h;
+  }
+
+  // Get seed for PRNG: prefer existing seed, then domain hash, session hash
+  var sen_seed = sen_seed ||
+    sen_generateSeed(domainHash);
+
+
+  // PRNG based on Mulberry32 algorithm
+  // See: https://gist.github.com/tommyettinger/46a874533244883189143505d203312c
+	// To the extent possible under law, the author has dedicated all copyright
+	// and related and neighboring rights to this software to the public domain
+	// worldwide.
+  function sen_prng() {
+    // expects "seed" variable to be a 32-bit value
+    var t = sen_seed += 0x6D2B79F5;
+    t = Math.imul(t ^ t >>> 15, t | 1);
+    t ^= t + Math.imul(t ^ t >>> 7, t | 61);
+    return ((t ^ t >>> 14) >>> 0) / 4294967296;
+  }
+
+  // Generates a number around the input number
+  function sen_generateAround(number, tolerance) {
+    let min = number - number * tolerance;
+    let max = number + number * tolerance;
+
+    return sen_prng() * (max - min) + min;
+  }
+
+  // Rounds a number to a fixed amount of decimal places
+  // Returns a NUMBER
+  function fixedNumber(num, digits, base) {
+    var pow = Math.pow(base||10, digits);
+    return Math.round(num*pow) / pow;
+  }
+`;
+
+/*
+ * Functions for simulation of the device orientation.
+ * Those allow to create a fake orientation of the device in axis angles
+ * and create a rotation matrix. Support for multiplication of a 3D vector
+ * with the rotation matrix is included.
+ *
+ * Note: The code needs supporting function from the
+ * "sensorapi_prng_functions" above.
+ *
+ * In case of a non-rotated phone with a display oriented directly to the
+ * face of the user, the device's axes are oriented as follows:
+ *   x-axis is oriented from the user's left to the right
+ *   y-axis from the bottom side of the display towards the top side
+ *   z-axis is perpendicular to the display, it leads from the phone's
+ *          display towards the user's face
+ *
+ * The yaw, pitch, and roll define the rotation of the phone in the Earth's
+ * reference coordinate system. In case, all are 0:
+ *   x is oriented towards the EAST
+ *   y is oriented towards the NORTH (Earth's magnetic)
+ *  -z is oriented toward the center of the Earth
+ *
+ *                   y (roll)
+ *                  /  (NORTH if yaw = pitch = 0)
+ *                 /
+ *          +----------+
+ *         /     /    /
+ *  (top) / z(yaw)   /
+ *       /   |/     /
+ *      /    +-----/----> x (pitch)
+ *     /          /      (EAST if yaw = roll = 0)
+ *    /   _ _    /
+ *   /   /__/   /
+ *  +----------+
+ *  (bottom)
+ *
+ */
+var device_orientation_functions = `
+  // Calcultes a rotation matrix for the given yaw, pitch, and roll
+  // (in radians) of the device.
+  function calculateRotationMatrix(yaw, pitch, roll) {
+    var rotMat = [
+      [Math.cos(yaw) * Math.cos(pitch),
+       Math.cos(yaw) * Math.sin(pitch) * Math.sin(roll) - Math.sin(yaw) * Math.cos(roll),
+       Math.cos(yaw) * Math.sin(pitch) * Math.cos(roll) + Math.sin(yaw) * Math.sin(roll)
+      ],
+      [Math.sin(yaw) * Math.cos(pitch),
+       Math.sin(yaw) * Math.sin(pitch) * Math.sin(roll) + Math.cos(yaw) * Math.cos(roll),
+       Math.sin(yaw) * Math.sin(pitch) * Math.cos(roll) - Math.cos(yaw) * Math.sin(roll)
+      ],
+      [(-1) * Math.sin(pitch),
+       Math.cos(pitch) * Math.sin(roll),
+       Math.cos(pitch) * Math.cos(roll)
+      ]
+    ];
+    return rotMat;
+  }
+
+  // Initial draw of the (fake) device orientation
+  // TODO: Limit to oriententations that make sense for a mobile device
+  function generateDeviceOrientation() {
+    var orient = {};
+    /*
+     * Yaw (couterclockwise rotation of the Z-axis)
+     * Pitch (counterclockwise rotation of the Y-axis)
+     * Roll (counterclockwise rotation of the X-axis)
+     */
+    var yaw = Math.floor(sen_prng() * 2 * Math.PI);
+    var pitch = Math.floor(sen_prng() * 2 * Math.PI);
+    var roll = Math.floor(sen_prng() * 2 * Math.PI);
+
+    orient.yaw = yaw;
+    orient.pitch = pitch;
+    orient.roll = roll;
+
+    // Calculate the rotation matrix
+    orient.rotMat = calculateRotationMatrix(yaw, pitch, roll);
+
+    return orient;
+  }
+
+  var orient = orient || generateDeviceOrientation();
+
+  // Multiplies a 3D strength vector (1x3) with a 3D rotation matrix (3x3)
+  // Returns the resulting 3D vector (1x3)
+  function multVectRot(vec, mat) {
+    var result = [
+      vec[0]*mat[0][0] + vec[1]*mat[0][1] + vec[2]*mat[0][2],
+      vec[0]*mat[1][0] + vec[1]*mat[1][1] + vec[2]*mat[1][2],
+      vec[0]*mat[2][0] + vec[1]*mat[2][1] + vec[2]*mat[2][2]
+    ]
+    return result;
+  }
+`;