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- from django.conf import settings
- from django.core.signing import base64_hmac
- from django.template.loader import render_to_string
- from django.urls import reverse
-
- WIDTHS = {"a": 7, "b": 7, "c": 6, "d": 7, "e": 6, "f": 4, "g": 7, "h": 7,
- "i": 3, "j": 3, "k": 7, "l": 3, "m": 10, "n": 7, "o": 7, "p": 7,
- "q": 7, "r": 4, "s": 6, "t": 5, "u": 7, "v": 7, "w": 9, "x": 6,
- "y": 7, "z": 7, "0": 7, "1": 6, "2": 7, "3": 7, "4": 7, "5": 7,
- "6": 7, "7": 7, "8": 7, "9": 7, "A": 8, "B": 7, "C": 8, "D": 8,
- "E": 7, "F": 6, "G": 9, "H": 8, "I": 3, "J": 4, "K": 7, "L": 6,
- "M": 10, "N": 8, "O": 9, "P": 6, "Q": 9, "R": 7, "S": 7, "T": 7,
- "U": 8, "V": 8, "W": 11, "X": 7, "Y": 7, "Z": 7, "-": 4, "_": 6}
-
- COLORS = {
- "up": "#4c1",
- "late": "#fe7d37",
- "down": "#e05d44"
- }
-
-
- def get_width(s):
- total = 0
- for c in s:
- total += WIDTHS.get(c, 7)
- return total
-
-
- def get_badge_svg(tag, status):
- w1 = get_width(tag) + 10
- w2 = get_width(status) + 10
- ctx = {
- "width": w1 + w2,
- "tag_width": w1,
- "status_width": w2,
- "tag_center_x": w1 / 2,
- "status_center_x": w1 + w2 / 2,
- "tag": tag,
- "status": status,
- "color": COLORS[status]
- }
-
- return render_to_string("badge.svg", ctx)
-
-
- def check_signature(username, tag, sig):
- ours = base64_hmac(str(username), tag, settings.SECRET_KEY)
- ours = ours[:8].decode("utf-8")
- return ours == sig
-
-
- def get_badge_url(username, tag):
- sig = base64_hmac(str(username), tag, settings.SECRET_KEY)
- url = reverse("hc-badge", args=[username, sig[:8], tag])
- return settings.SITE_ROOT + url
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