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Kazuhiko Shiozaki
gitlab-ce
Commits
aa2cc670
Commit
aa2cc670
authored
9 years ago
by
Robert Speicher
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Add Gitlab::Markdown::AutolinkFilter
parent
2d9edcad
Changes
5
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5 changed files
with
202 additions
and
17 deletions
+202
-17
app/helpers/gitlab_markdown_helper.rb
app/helpers/gitlab_markdown_helper.rb
+1
-3
lib/gitlab/markdown.rb
lib/gitlab/markdown.rb
+3
-1
lib/gitlab/markdown/autolink_filter.rb
lib/gitlab/markdown/autolink_filter.rb
+95
-0
lib/redcarpet/render/gitlab_html.rb
lib/redcarpet/render/gitlab_html.rb
+5
-13
spec/lib/gitlab/markdown/autolink_filter_spec.rb
spec/lib/gitlab/markdown/autolink_filter_spec.rb
+98
-0
No files found.
app/helpers/gitlab_markdown_helper.rb
View file @
aa2cc670
...
...
@@ -34,9 +34,8 @@ module GitlabMarkdownHelper
# see https://github.com/vmg/redcarpet#darling-i-packed-you-a-couple-renderers-for-lunch
rend
=
Redcarpet
::
Render
::
GitlabHTML
.
new
(
self
,
user_color_scheme_class
,
{
safe_links_only:
true
,
# Handled further down the line by HTML::Pipeline::SanitizationFilter
escape_html:
false
escape_html:
false
}.
merge
(
options
))
# see https://github.com/vmg/redcarpet#and-its-like-really-simple-to-use
...
...
@@ -44,7 +43,6 @@ module GitlabMarkdownHelper
no_intra_emphasis:
true
,
tables:
true
,
fenced_code_blocks:
true
,
autolink:
true
,
strikethrough:
true
,
lax_spacing:
true
,
space_after_headers:
true
,
...
...
This diff is collapsed.
Click to expand it.
lib/gitlab/markdown.rb
View file @
aa2cc670
...
...
@@ -30,6 +30,7 @@ module Gitlab
# => "<img alt=\":trollface:\" class=\"emoji\" src=\"/images/trollface.png" title=\":trollface:\" />
module
Markdown
# Provide autoload paths for filters to prevent a circular dependency error
autoload
:AutolinkFilter
,
'gitlab/markdown/autolink_filter'
autoload
:CommitRangeReferenceFilter
,
'gitlab/markdown/commit_range_reference_filter'
autoload
:CommitReferenceFilter
,
'gitlab/markdown/commit_reference_filter'
autoload
:EmojiFilter
,
'gitlab/markdown/emoji_filter'
...
...
@@ -122,6 +123,7 @@ module Gitlab
Gitlab
::
Markdown
::
EmojiFilter
,
Gitlab
::
Markdown
::
TableOfContentsFilter
,
Gitlab
::
Markdown
::
AutolinkFilter
,
Gitlab
::
Markdown
::
UserReferenceFilter
,
Gitlab
::
Markdown
::
IssueReferenceFilter
,
...
...
@@ -130,7 +132,7 @@ module Gitlab
Gitlab
::
Markdown
::
SnippetReferenceFilter
,
Gitlab
::
Markdown
::
CommitRangeReferenceFilter
,
Gitlab
::
Markdown
::
CommitReferenceFilter
,
Gitlab
::
Markdown
::
LabelReferenceFilter
,
Gitlab
::
Markdown
::
LabelReferenceFilter
]
end
...
...
This diff is collapsed.
Click to expand it.
lib/gitlab/markdown/autolink_filter.rb
0 → 100644
View file @
aa2cc670
require
'html/pipeline/filter'
require
'uri'
module
Gitlab
module
Markdown
# HTML Filter for auto-linking URLs in HTML.
#
# Based on HTML::Pipeline::AutolinkFilter
#
# Context options:
# :autolink - Boolean, skips all processing done by this filter when false
# :link_attr - Hash of attributes for the generated links
#
class
AutolinkFilter
<
HTML
::
Pipeline
::
Filter
include
ActionView
::
Helpers
::
TagHelper
# Pattern to match text that should be autolinked.
#
# A URI scheme begins with a letter and may contain letters, numbers,
# plus, period and hyphen. Schemes are case-insensitive but we're being
# picky here and allowing only lowercase for autolinks.
#
# See http://en.wikipedia.org/wiki/URI_scheme
#
# The negative lookbehind ensures that users can paste a URL followed by a
# period or comma for punctuation without those characters being included
# in the generated link.
SCHEME_PATTERN
=
%r{([a-z][a-z0-9_
\+\.\-
]+:
\/\/
[^
\s
]+)(?<!,|
\.
)}
# Text matching SCHEME_PATTERN inside these elements will not be linked
IGNORE_PARENTS
=
%w(a code kbd pre script style)
.
to_set
def
call
return
doc
if
context
[
:autolink
]
==
false
rinku_parse
text_parse
end
private
# Run the text through Rinku as a first pass
#
# This will quickly autolink http(s) and ftp links.
#
# `@doc` will be re-parsed with the HTML String from Rinku.
def
rinku_parse
# Convert the options from a Hash to a String that Rinku expects
options
=
tag_options
(
link_options
)
# NOTE: We don't parse email links because it will erroneously match
# external Commit and CommitRange references.
rinku
=
Rinku
.
auto_link
(
html
,
:urls
,
options
,
IGNORE_PARENTS
.
to_a
)
# Rinku returns a String, so parse it back to a Nokogiri::XML::Document
# for further processing.
@doc
=
parse_html
(
rinku
)
end
# Autolinks any text matching SCHEME_PATTERN that Rinku didn't already
# replace
def
text_parse
search_text_nodes
(
doc
).
each
do
|
node
|
content
=
node
.
to_html
next
if
has_ancestor?
(
node
,
IGNORE_PARENTS
)
next
unless
content
.
match
(
SCHEME_PATTERN
)
# If Rinku didn't link this, there's probably a good reason, so we'll
# skip it too
next
if
content
.
start_with?
(
*
%w(http https ftp)
)
html
=
autolink_filter
(
content
)
next
if
html
==
content
node
.
replace
(
html
)
end
doc
end
def
autolink_filter
(
text
)
text
.
gsub
(
SCHEME_PATTERN
)
do
|
match
|
options
=
link_options
.
merge
(
href:
match
)
content_tag
(
:a
,
match
,
options
)
end
end
def
link_options
@link_options
||=
context
[
:link_attr
]
||
{}
end
end
end
end
This diff is collapsed.
Click to expand it.
lib/redcarpet/render/gitlab_html.rb
View file @
aa2cc670
...
...
@@ -8,13 +8,8 @@ class Redcarpet::Render::GitlabHTML < Redcarpet::Render::HTML
@color_scheme
=
color_scheme
@project
=
@template
.
instance_variable_get
(
"@project"
)
@options
=
options
.
dup
super
options
end
def
preprocess
(
full_document
)
# Redcarpet doesn't allow SMB links when `safe_links_only` is enabled.
# FTP links are allowed, so we trick Redcarpet.
full_document
.
gsub
(
"smb://"
,
"ftp://smb:"
)
super
(
options
)
end
# If project has issue number 39, apostrophe will be linked in
...
...
@@ -25,6 +20,7 @@ class Redcarpet::Render::GitlabHTML < Redcarpet::Render::HTML
# This only influences regular text, code blocks are untouched.
def
normal_text
(
text
)
return
text
unless
text
.
present?
text
.
gsub
(
"'"
,
"’"
)
end
...
...
@@ -37,7 +33,7 @@ class Redcarpet::Render::GitlabHTML < Redcarpet::Render::HTML
# so we assume you're not using leading spaces that aren't tabs,
# and just replace them here.
if
lexer
.
tag
==
'make'
code
.
gsub!
/^ /
,
"
\t
"
code
.
gsub!
(
/^ /
,
"
\t
"
)
end
formatter
=
Rugments
::
Formatters
::
HTML
.
new
(
...
...
@@ -46,17 +42,13 @@ class Redcarpet::Render::GitlabHTML < Redcarpet::Render::HTML
formatter
.
format
(
lexer
.
lex
(
code
))
end
def
link
(
link
,
title
,
content
)
h
.
link_to_gfm
(
content
,
link
,
title:
title
)
end
def
postprocess
(
full_document
)
full_document
.
gsub!
(
"ftp://smb:"
,
"smb://"
)
full_document
.
gsub!
(
"’"
,
"'"
)
unless
@template
.
instance_variable_get
(
"@project_wiki"
)
||
@project
.
nil?
full_document
=
h
.
create_relative_links
(
full_document
)
end
h
.
gfm_with_options
(
full_document
,
@options
)
end
end
This diff is collapsed.
Click to expand it.
spec/lib/gitlab/markdown/autolink_filter_spec.rb
0 → 100644
View file @
aa2cc670
require
'spec_helper'
module
Gitlab::Markdown
describe
AutolinkFilter
do
let
(
:link
)
{
'http://about.gitlab.com/'
}
def
filter
(
html
,
options
=
{})
described_class
.
call
(
html
,
options
)
end
it
'does nothing when :autolink is false'
do
exp
=
act
=
link
expect
(
filter
(
act
,
autolink:
false
).
to_html
).
to
eq
exp
end
it
'does nothing with non-link text'
do
exp
=
act
=
'This text contains no links to autolink'
expect
(
filter
(
act
).
to_html
).
to
eq
exp
end
context
'Rinku schemes'
do
it
'autolinks http'
do
doc
=
filter
(
"See
#{
link
}
"
)
expect
(
doc
.
at_css
(
'a'
).
text
).
to
eq
link
expect
(
doc
.
at_css
(
'a'
)[
'href'
]).
to
eq
link
end
it
'autolinks https'
do
link
=
'https://google.com/'
doc
=
filter
(
"See
#{
link
}
"
)
expect
(
doc
.
at_css
(
'a'
).
text
).
to
eq
link
expect
(
doc
.
at_css
(
'a'
)[
'href'
]).
to
eq
link
end
it
'autolinks ftp'
do
link
=
'ftp://ftp.us.debian.org/debian/'
doc
=
filter
(
"See
#{
link
}
"
)
expect
(
doc
.
at_css
(
'a'
).
text
).
to
eq
link
expect
(
doc
.
at_css
(
'a'
)[
'href'
]).
to
eq
link
end
it
'accepts link_attr options'
do
doc
=
filter
(
"See
#{
link
}
"
,
link_attr:
{
class:
'custom'
})
expect
(
doc
.
at_css
(
'a'
)[
'class'
]).
to
eq
'custom'
end
described_class
::
IGNORE_PARENTS
.
each
do
|
elem
|
it
"ignores valid links contained inside '
#{
elem
}
' element"
do
exp
=
act
=
"<
#{
elem
}
>See
#{
link
}
</
#{
elem
}
>"
expect
(
filter
(
act
).
to_html
).
to
eq
exp
end
end
end
context
'other schemes'
do
let
(
:link
)
{
'foo://bar.baz/'
}
it
'autolinks smb'
do
link
=
'smb:///Volumes/shared/foo.pdf'
doc
=
filter
(
"See
#{
link
}
"
)
expect
(
doc
.
at_css
(
'a'
).
text
).
to
eq
link
expect
(
doc
.
at_css
(
'a'
)[
'href'
]).
to
eq
link
end
it
'autolinks irc'
do
link
=
'irc://irc.freenode.net/git'
doc
=
filter
(
"See
#{
link
}
"
)
expect
(
doc
.
at_css
(
'a'
).
text
).
to
eq
link
expect
(
doc
.
at_css
(
'a'
)[
'href'
]).
to
eq
link
end
it
'does not include trailing punctuation'
do
doc
=
filter
(
"See
#{
link
}
."
)
expect
(
doc
.
at_css
(
'a'
).
text
).
to
eq
link
doc
=
filter
(
"See
#{
link
}
, ok?"
)
expect
(
doc
.
at_css
(
'a'
).
text
).
to
eq
link
end
it
'accepts link_attr options'
do
doc
=
filter
(
"See
#{
link
}
"
,
link_attr:
{
class:
'custom'
})
expect
(
doc
.
at_css
(
'a'
)[
'class'
]).
to
eq
'custom'
end
described_class
::
IGNORE_PARENTS
.
each
do
|
elem
|
it
"ignores valid links contained inside '
#{
elem
}
' element"
do
exp
=
act
=
"<
#{
elem
}
>See
#{
link
}
</
#{
elem
}
>"
expect
(
filter
(
act
).
to_html
).
to
eq
exp
end
end
end
end
end
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