Git LFS support v2 (#122)

* Import github.com/git-lfs/lfs-test-server as lfs module base

Imported commit is 3968aac269a77b73924649b9412ae03f7ccd3198

Removed:

Dockerfile CONTRIBUTING.md mgmt* script/ vendor/ kvlogger.go
.dockerignore .gitignore README.md

* Remove config, add JWT support from github.com/mgit-at/lfs-test-server

Imported commit f0cdcc5a01599c5a955dc1bbf683bb4acecdba83

* Add LFS settings

* Add LFS meta object model

* Add LFS routes and initialization

* Import github.com/dgrijalva/jwt-go into vendor/

* Adapt LFS module: handlers, routing, meta store

* Move LFS routes to /user/repo/info/lfs/*

* Add request header checks to LFS BatchHandler / PostHandler

* Implement LFS basic authentication

* Rework JWT secret generation / load

* Implement LFS SSH token authentication with JWT

Specification: https://github.com/github/git-lfs/tree/master/docs/api

* Integrate LFS settings into install process

* Remove LFS objects when repository is deleted

Only removes objects from content store when deleted repo is the only
referencing repository

* Make LFS module stateless

Fixes bug where LFS would not work after installation without
restarting Gitea

* Change 500 'Internal Server Error' to 400 'Bad Request'

* Change sql query to xorm call

* Remove unneeded type from LFS module

* Change internal imports to code.gitea.io/gitea/

* Add Gitea authors copyright

* Change basic auth realm to "gitea-lfs"

* Add unique indexes to LFS model

* Use xorm count function in LFS check on repository delete

* Return io.ReadCloser from content store and close after usage

* Add LFS info to runWeb()

* Export LFS content store base path

* LFS file download from UI

* Work around git-lfs client issue with unauthenticated requests

Returning a dummy Authorization header for unauthenticated requests
lets git-lfs client skip asking for auth credentials
See: https://github.com/github/git-lfs/issues/1088

* Fix unauthenticated UI downloads from public repositories

* Authentication check order, Finish LFS file view logic

* Ignore LFS hooks if installed for current OS user

Fixes Gitea UI actions for repositories tracking LFS files.
Checks for minimum needed git version by parsing the semantic version
string.

* Hide LFS metafile diff from commit view, marking as binary

* Show LFS notice if file in commit view is tracked

* Add notbefore/nbf JWT claim

* Correct lint suggestions - comments for structs and functions

- Add comments to LFS model
- Function comment for GetRandomBytesAsBase64
- LFS server function comments and lint variable suggestion

* Move secret generation code out of conditional

Ensures no LFS code may run with an empty secret

* Do not hand out JWT tokens if LFS server support is disabled

1 files changed, 4 insertions, 0 deletions

diff --git a/options/locale/locale_en-US.ini b/options/locale/locale_en-US.ini
index 579ab85157..5368bbf37a 100644
--- a/options/locale/locale_en-US.ini
+++ b/options/locale/locale_en-US.ini
@@ -69,6 +69,8 @@ app_name = Application Name
 app_name_helper = Put your organization name here huge and loud!
 repo_path = Repository Root Path
 repo_path_helper = All Git remote repositories will be saved to this directory.
+lfs_path = LFS Root Path
+lfs_path_helper = Files stored with Git LFS will be stored in this directory. Leave empty to disable LFS.
 run_user = Run User
 run_user_helper = The user must have access to Repository Root Path and run Gitea.
 domain = Domain
@@ -432,6 +434,7 @@ file_view_raw = View Raw
 file_permalink = Permalink
 file_too_large = This file is too large to be shown
 video_not_supported_in_browser = Your browser doesn't support HTML5 video tag.
+stored_lfs = Stored with Git LFS
 
 editor.new_file = New file
 editor.upload_file = Upload file
@@ -1060,6 +1063,7 @@ config.disable_router_log = Disable Router Log
 config.run_user = Run User
 config.run_mode = Run Mode
 config.repo_root_path = Repository Root Path
+config.lfs_root_path = LFS Root Path
 config.static_file_root_path = Static File Root Path
 config.log_file_root_path = Log File Root Path
 config.script_type = Script Type