-
Notifications
You must be signed in to change notification settings - Fork 21.6k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Extract ParameterFilter class from FilterParameters mixin
Signed-off-by: wycats <wycats@gmail.com>
- Loading branch information
Showing
4 changed files
with
86 additions
and
68 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,72 @@ | ||
module ActionDispatch | ||
module Http | ||
class ParameterFilter | ||
|
||
def initialize(filters) | ||
@filters = filters | ||
end | ||
|
||
def filter(params) | ||
if enabled? | ||
compiled_filter.call(params) | ||
else | ||
params.dup | ||
end | ||
end | ||
|
||
private | ||
|
||
def enabled? | ||
@filters.present? | ||
end | ||
|
||
def compiled_filter | ||
@compiled_filter ||= begin | ||
regexps, blocks = compile_filter | ||
|
||
lambda do |original_params| | ||
filtered_params = {} | ||
|
||
original_params.each do |key, value| | ||
if regexps.find { |r| key =~ r } | ||
value = '[FILTERED]' | ||
elsif value.is_a?(Hash) | ||
value = filter(value) | ||
elsif value.is_a?(Array) | ||
value = value.map { |v| v.is_a?(Hash) ? filter(v) : v } | ||
elsif blocks.present? | ||
key = key.dup | ||
value = value.dup if value.duplicable? | ||
blocks.each { |b| b.call(key, value) } | ||
end | ||
|
||
filtered_params[key] = value | ||
end | ||
|
||
filtered_params | ||
end | ||
end | ||
end | ||
|
||
def compile_filter | ||
strings, regexps, blocks = [], [], [] | ||
|
||
@filters.each do |item| | ||
case item | ||
when NilClass | ||
when Proc | ||
blocks << item | ||
when Regexp | ||
regexps << item | ||
else | ||
strings << item.to_s | ||
end | ||
end | ||
|
||
regexps << Regexp.new(strings.join('|'), true) unless strings.empty? | ||
[regexps, blocks] | ||
end | ||
|
||
end | ||
end | ||
end |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters