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author | fiaxh <git@lightrise.org> | 2019-05-11 09:39:02 -0600 |
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committer | fiaxh <git@lightrise.org> | 2019-07-08 18:46:30 +0200 |
commit | 837de4063dbe398735a5b1d35bde1821c177b555 (patch) | |
tree | 81c46027a32a9ff14f2c4932260ac97d3574b848 /plugins/omemo/src/util.vala | |
parent | 701175fcd3b39aff46f52627af74b4de29363058 (diff) | |
download | dino-837de4063dbe398735a5b1d35bde1821c177b555.tar.gz dino-837de4063dbe398735a5b1d35bde1821c177b555.zip |
OMEMO: Move files to fitting subdirectory
Diffstat (limited to 'plugins/omemo/src/util.vala')
-rw-r--r-- | plugins/omemo/src/util.vala | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/plugins/omemo/src/util.vala b/plugins/omemo/src/util.vala deleted file mode 100644 index 88d30b3b..00000000 --- a/plugins/omemo/src/util.vala +++ /dev/null @@ -1,60 +0,0 @@ -namespace Dino.Plugins.Omemo { - -public static string fingerprint_from_base64(string b64) { - uint8[] arr = Base64.decode(b64); - - arr = arr[1:arr.length]; - string s = ""; - foreach (uint8 i in arr) { - string tmp = i.to_string("%x"); - if (tmp.length == 1) tmp = "0" + tmp; - s = s + tmp; - } - - return s; -} - -public static string fingerprint_markup(string s) { - string markup = ""; - for (int i = 0; i < s.length; i += 4) { - string four_chars = s.substring(i, 4).down(); - - int raw = (int) four_chars.to_long(null, 16); - uint8[] bytes = {(uint8) ((raw >> 8) & 0xff - 128), (uint8) (raw & 0xff - 128)}; - - Checksum checksum = new Checksum(ChecksumType.SHA1); - checksum.update(bytes, bytes.length); - uint8[] digest = new uint8[20]; - size_t len = 20; - checksum.get_digest(digest, ref len); - - uint8 r = digest[0]; - uint8 g = digest[1]; - uint8 b = digest[2]; - - if (r == 0 && g == 0 && b == 0) r = g = b = 1; - - double brightness = 0.2126 * r + 0.7152 * g + 0.0722 * b; - - if (brightness < 80) { - double factor = 80.0 / brightness; - r = uint8.min(255, (uint8) (r * factor)); - g = uint8.min(255, (uint8) (g * factor)); - b = uint8.min(255, (uint8) (b * factor)); - - } else if (brightness > 180) { - double factor = 180.0 / brightness; - r = (uint8) (r * factor); - g = (uint8) (g * factor); - b = (uint8) (b * factor); - } - - if (i % 32 == 0 && i != 0) markup += "\n"; - markup += @"<span foreground=\"$("#%02x%02x%02x".printf(r, g, b))\">$four_chars</span>"; - if (i % 8 == 4 && i % 32 != 28) markup += " "; - } - - return "<span font_family='monospace' font='8'>" + markup + "</span>"; -} - -}
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