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module Files
class MultiService < Files::BaseService
class FileChangedError < StandardError; end
def commit
repository.multi_action(
user: current_user,
message: @commit_message,
branch_name: @target_branch,
actions: params[:actions],
author_email: @author_email,
author_name: @author_name,
start_project: @start_project,
start_branch_name: @start_branch
)
end
private
def validate
super
params[:actions].each_with_index do |action, index|
unless action[:file_path].present?
raise_error("You must specify a file_path.")
end
regex_check(action[:file_path])
regex_check(action[:previous_path]) if action[:previous_path]
if project.empty_repo? && action[:action] != :create
raise_error("No files to #{action[:action]}.")
end
validate_file_exists(action)
case action[:action]
when :create
validate_create(action)
when :update
validate_update(action)
when :delete
validate_delete(action)
when :move
validate_move(action, index)
else
raise_error("Unknown action type `#{action[:action]}`.")
end
end
end
def validate_file_exists(action)
return if action[:action] == :create
file_path = action[:file_path]
file_path = action[:previous_path] if action[:action] == :move
blob = repository.blob_at_branch(params[:branch_name], file_path)
unless blob
raise_error("File to be #{action[:action]}d `#{file_path}` does not exist.")
end
end
def last_commit
Gitlab::Git::Commit.last_for_path(repository, @start_branch, @file_path)
end
def regex_check(file)
if file =~ Gitlab::Regex.directory_traversal_regex
raise_error(
'Your changes could not be committed, because the file name, `' +
file +
'` ' +
Gitlab::Regex.directory_traversal_regex_message
)
end
unless file =~ Gitlab::Regex.file_path_regex
raise_error(
'Your changes could not be committed, because the file name, `' +
file +
'` ' +
Gitlab::Regex.file_path_regex_message
)
end
end
def validate_create(action)
return if project.empty_repo?
if repository.blob_at_branch(params[:branch_name], action[:file_path])
raise_error("Your changes could not be committed because a file with the name `#{action[:file_path]}` already exists.")
end
end
def validate_delete(action)
end
def validate_move(action, index)
if action[:previous_path].nil?
raise_error("You must supply the original file path when moving file `#{action[:file_path]}`.")
end
blob = repository.blob_at_branch(params[:branch_name], action[:file_path])
if blob
raise_error("Move destination `#{action[:file_path]}` already exists.")
end
if action[:content].nil?
blob = repository.blob_at_branch(params[:branch_name], action[:previous_path])
blob.load_all_data!(repository) if blob.truncated?
params[:actions][index][:content] = blob.data
end
end
def validate_update(action)
if file_has_changed?
raise FileChangedError.new("You are attempting to update a file `#{action[:file_path]}` that has changed since you started editing it.")
end
end
end
end
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