1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
# frozen_string_literal: true
class Projects::RepositoriesController < Projects::ApplicationController
include ExtractsPath
# Authorize
before_action :require_non_empty_project, except: :create
before_action :assign_archive_vars, only: :archive
before_action :assign_append_sha, only: :archive
before_action :authorize_download_code!
before_action :authorize_admin_project!, only: :create
def create
@project.create_repository
redirect_to project_path(@project)
end
def archive
set_cache_headers
return if archive_not_modified?
send_git_archive @repository, **repo_params
rescue => ex
logger.error("#{self.class.name}: #{ex}")
git_not_found!
end
private
def repo_params
@repo_params ||= { ref: @ref, path: params[:path], format: params[:format], append_sha: @append_sha }
end
def set_cache_headers
expires_in cache_max_age(archive_metadata['CommitId']), public: project.public?
fresh_when(etag: archive_metadata['ArchivePath'])
end
def archive_not_modified?
# Check response freshness (Last-Modified and ETag)
# against request If-Modified-Since and If-None-Match conditions.
request.fresh?(response)
end
def archive_metadata
@archive_metadata ||= @repository.archive_metadata(
@ref,
'', # Where archives are stored isn't really important for ETag purposes
repo_params[:format],
path: repo_params[:path],
append_sha: @append_sha
)
end
def cache_max_age(commit_id)
if @ref == commit_id
# This is a link to an archive by a commit SHA. That means that the archive
# is immutable. The only reason to invalidate the cache is if the commit
# was deleted or if the user lost access to the repository.
Repository::ARCHIVE_CACHE_TIME_IMMUTABLE
else
# A branch or tag points at this archive. That means that the expected archive
# content may change over time.
Repository::ARCHIVE_CACHE_TIME
end
end
def assign_append_sha
@append_sha = params[:append_sha]
if @ref
shortname = "#{@project.path}-#{@ref.tr('/', '-')}"
@append_sha = false if @filename == shortname
end
end
def assign_archive_vars
if params[:id]
@ref, @filename = extract_ref(params[:id])
else
@ref = params[:ref]
@filename = nil
end
rescue InvalidPathError
render_404
end
end
|
