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make --u2sz more intuitive

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previously, it only accepted the 3-tuple `min,default,max`

if given a single integer (or any other unexpected value),
the up2k js would enter an infinite loop, eat all the ram
and crash the browser (nice)

fix this by accepting a single integer (for example 96)
and translating it to `1,96,96`
This commit is contained in:
ed 2024-10-22 21:37:51 +00:00
parent 3a0d882c5e
commit b13899c63d
1 changed files with 18 additions and 0 deletions
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18
copyparty/svchub.py
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@ -817,6 +817,24 @@ class SvcHub(object):
if len(al.tcolor) == 3: # fc5 => ffcc55
al.tcolor = "".join([x * 2 for x in al.tcolor])
zs = al.u2sz
zsl = zs.split(",")
if len(zsl) not in (1, 3):
t = "invalid --u2sz; must be either one number, or a comma-separated list of three numbers (min,default,max)"
raise Exception(t)
if len(zsl) < 3:
zsl = ["1", zs, zs]
zi2 = 1
for zs in zsl:
zi = int(zs)
# arbitrary constraint (anything above 2 GiB is probably unintended)
if zi < 1 or zi > 2047:
raise Exception("invalid --u2sz; minimum is 1, max is 2047")
if zi < zi2:
raise Exception("invalid --u2sz; values must be equal or ascending")
zi2 = zi
al.u2sz = ",".join(zsl)
return True
def _ipa2re(self, txt) -> Optional[re.Pattern]: