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115 lines
2.0 KiB
115 lines
2.0 KiB
from django.conf import settings
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from django.core.signing import base64_hmac
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from django.template.loader import render_to_string
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from django.urls import reverse
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WIDTHS = {
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"a": 7,
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"b": 7,
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"c": 6,
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"d": 7,
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"e": 6,
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"f": 4,
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"g": 7,
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"h": 7,
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"i": 3,
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"j": 3,
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"k": 7,
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"l": 3,
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"m": 10,
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"n": 7,
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"o": 7,
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"p": 7,
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"q": 7,
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"r": 4,
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"s": 6,
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"t": 5,
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"u": 7,
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"v": 7,
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"w": 9,
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"x": 6,
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"y": 7,
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"z": 7,
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"0": 7,
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"1": 6,
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"2": 7,
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"3": 7,
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"4": 7,
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"5": 7,
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"6": 7,
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"7": 7,
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"8": 7,
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"9": 7,
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"A": 8,
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"B": 7,
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"C": 8,
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"D": 8,
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"E": 7,
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"F": 6,
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"G": 9,
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"H": 8,
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"I": 3,
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"J": 4,
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"K": 7,
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"L": 6,
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"M": 10,
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"N": 8,
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"O": 9,
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"P": 6,
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"Q": 9,
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"R": 7,
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"S": 7,
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"T": 7,
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"U": 8,
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"V": 8,
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"W": 11,
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"X": 7,
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"Y": 7,
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"Z": 7,
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"-": 4,
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"_": 6,
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}
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COLORS = {"up": "#4c1", "late": "#fe7d37", "down": "#e05d44"}
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def get_width(s):
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total = 0
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for c in s:
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total += WIDTHS.get(c, 7)
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return total
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def get_badge_svg(tag, status):
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w1 = get_width(tag) + 10
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w2 = get_width(status) + 10
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ctx = {
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"width": w1 + w2,
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"tag_width": w1,
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"status_width": w2,
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"tag_center_x": w1 / 2,
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"status_center_x": w1 + w2 / 2,
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"tag": tag,
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"status": status,
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"color": COLORS[status],
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}
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return render_to_string("badge.svg", ctx)
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def check_signature(username, tag, sig):
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ours = base64_hmac(str(username), tag, settings.SECRET_KEY)
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return ours[:8] == sig[:8]
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def get_badge_url(username, tag, fmt="svg", with_late=False):
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sig = base64_hmac(str(username), tag, settings.SECRET_KEY)[:8]
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if not with_late:
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sig += "-2"
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if tag == "*":
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url = reverse("hc-badge-all", args=[username, sig, fmt])
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else:
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url = reverse("hc-badge", args=[username, sig, tag, fmt])
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return settings.SITE_ROOT + url
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