forked from OpenNeo/impress
Oops, fix regex patterns to use \A
to \z
instead of ^
to $
Oh huh, TIL in Ruby `^` *always* means "start of line", whereas in many languages' regular expression engines it means "start of string" unless you enable a special multiline flag for the pattern. I've fixed this in a number of expressions now! I'm noticing this in the context of doing some security training work where this the cause of a sample vulnerability, but, looking at our own case, I don't think there was anything *abusable* here? But this is just more correct, so let's be more correct!
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4 changed files with 8 additions and 8 deletions
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@ -157,7 +157,7 @@ module ItemsHelper
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end
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NC_TRADE_VALUE_ESTIMATE_PATTERN = %r{
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^\s*
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\A\s*
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(?:
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# Case 1: A single number
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(?<single>[0-9]+)
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@ -167,7 +167,7 @@ module ItemsHelper
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\p{Dash_Punctuation}
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(?<high>[0-9]+)
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)
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\s*$
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\s*\z
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}x
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def nc_trade_value_is_estimate(nc_trade_value)
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nc_trade_value.value_text.match?(NC_TRADE_VALUE_ESTIMATE_PATTERN)
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@ -88,13 +88,13 @@ class Item
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# the `dyeworks_base_item` relationship in the database; after that, we
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# just use whatever the database says. (This allows manual overrides!)
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DYEWORKS_NAME_PATTERN = %r{
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^(
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\A(
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# Most Dyeworks items have a colon in the name.
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Dyeworks\s+(?<color>.+?:)\s*(?<base>.+)
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# But sometimes they omit it. If so, assume the first word is the color!
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Dyeworks\s+(?<color>\S+)\s*(?<base>.+)
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)$
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)\z
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}x
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def inferred_dyeworks_base_item
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name_match = name.match(DYEWORKS_NAME_PATTERN)
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@ -64,7 +64,7 @@ class Item
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when 'fits'
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# First, try the `fits:blue-acara` case.
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# NOTE: This will also work for `fits:"usuki girl-usul"`!
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match = value.match(/^([^-]+)-([^-]+)$/)
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match = value.match(/\A([^-]+)-([^-]+)\z/)
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if match.present?
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color_name, species_name = match.captures
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pet_type = load_pet_type_by_name(color_name, species_name)
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@ -74,7 +74,7 @@ class Item
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end
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# Next, try the `fits:alt-style-87305` case.
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match = value.match(/^alt-style-([0-9]+)$/)
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match = value.match(/\Aalt-style-([0-9]+)\z/)
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if match.present?
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alt_style_id, = match.captures
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alt_style = load_alt_style_by_id(alt_style_id)
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@ -85,7 +85,7 @@ class Item
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# Next, try the `fits:nostalgic-faerie-draik` case.
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# NOTE: This will also work for `fits:"nostalgic-usuki girl-usul"`!
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match = value.match(/^([^-]+)-([^-]+)-([^-]+)$/)
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match = value.match(/\A([^-]+)-([^-]+)-([^-]+)\z/)
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if match.present?
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series_name, color_name, species_name = match.captures
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alt_style = load_alt_style_by_name(
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@ -174,7 +174,7 @@ class Outfit < ApplicationRecord
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self.name.strip!
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# Get the base name of the provided name, without any "(1)" suffixes.
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base_name = name.sub(/\s*\([0-9]+\)$/, '')
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base_name = name.sub(/\s*\([0-9]+\)\z/, '')
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# Find the user's other outfits that start with the same base name, and get
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# *their* names, with whitespace stripped.
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