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8df93ba39e
Rewrites the asset_cache system to handle sending assets to a CDN via a webroot. see https://github.com/MrStonedOne/tgstation/blob/asset-cdn/code/modules/asset_cache/readme.md Fixed a lot of bugs with assets, removed some dead code. Changes: Moved asset cache code to transport datums, the currently loaded one is located at SSassets.transport, asset cache calls made before the config is loaded use the simple browse_rsc transport. Added subsystem call for when the config loads or reloads. Added a webroot CDN asset transport. assets are saved to a file in a format based on the file's hash (currently md5). Assets that don't use get_asset_url or get_url_mappings (such as browser assets referred to by static html files like changelog.html or static css files) can be saved to browse_rsc even when in cdn asset mode by setting legacy to TRUE on the datum returned by register_assets Added a system for saving assets on a cdn in a hash based namespace (folder), assets within the same namespace will always be able to refer to each other by relative names. (used to allow cdn'ing font awesome without having to make something that regenerates it's css files.). The simple/namespaced asset cache datum helper will handle generating a namespace composed of the combined md5 of everything in the same datum, as well as registering them properly. Moved external resource from a snowflake loaded file to a config entry, added it to resources.txt To ensure the system breaks in local testing in any situation that wouldn't work in cdn mode, the simple transport will mutate the filenames of non-legacy and non-namespaced assets and return this with get_asset_url. Simple transport's passive send of all roundstart assets to all clients is now a config that defaults to off. this is to break race conditions during local testings from devs accidentally relying on this instead of using send() properly. cl refactor: Interface assets (js/css/images) can now be managed using an external webserver instead of byond's one at a time file transfer queue. admin: Adds admin verb toggle-cdn that allows admins to disable the external webserver asset transport and revert to the old system. Useful if the webserver backing this goes down (thanks cloudflare). config: New config file, resources.txt, (must be loaded by an $include statement from the main config) server: The external_rsc_urls.txt config has been moved to the main config system. /cl Porting notes: Interface webpages must refer to their assets (css/js/image/etc) by a generated url, or the asset must register itself as a legacy asset. The system is designed to break in localtest (on simple/legacy mode) in most situations that would break in cdn mode. Requires latest tgui. The webserver must set the proper CORS headers for font files or font awesome (and other fonts) won't load. /tg/'s webserver config: https://gist.github.com/MrStonedOne/523388b2f161af832292d98a8aad0eae
76 lines
2.4 KiB
Plaintext
76 lines
2.4 KiB
Plaintext
/client/proc/browse_files(root_type=BROWSE_ROOT_ALL_LOGS, max_iterations=10, list/valid_extensions=list("txt","log","htm", "html"))
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// wow why was this ever a parameter
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var/root = "data/logs/"
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switch(root_type)
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if(BROWSE_ROOT_ALL_LOGS)
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root = "data/logs/"
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if(BROWSE_ROOT_CURRENT_LOGS)
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root = "[GLOB.log_directory]/"
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var/path = root
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for(var/i=0, i<max_iterations, i++)
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var/list/choices = flist(path)
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if(path != root)
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choices.Insert(1,"/")
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var/choice = input(src,"Choose a file to access:","Download",null) as null|anything in sortList(choices)
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switch(choice)
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if(null)
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return
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if("/")
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path = root
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continue
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path += choice
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if(copytext_char(path, -1) != "/") //didn't choose a directory, no need to iterate again
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break
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var/extensions
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for(var/i in valid_extensions)
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if(extensions)
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extensions += "|"
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extensions += "[i]"
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var/regex/valid_ext = new("\\.([extensions])$", "i")
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if( !fexists(path) || !(valid_ext.Find(path)) )
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to_chat(src, "<font color='red'>Error: browse_files(): File not found/Invalid file([path]).</font>")
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return
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return path
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#define FTPDELAY 200 //200 tick delay to discourage spam
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#define ADMIN_FTPDELAY_MODIFIER 0.5 //Admins get to spam files faster since we ~trust~ them!
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/* This proc is a failsafe to prevent spamming of file requests.
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It is just a timer that only permits a download every [FTPDELAY] ticks.
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This can be changed by modifying FTPDELAY's value above.
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PLEASE USE RESPONSIBLY, Some log files can reach sizes of 4MB! */
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/client/proc/file_spam_check()
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var/time_to_wait = GLOB.fileaccess_timer - world.time
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if(time_to_wait > 0)
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to_chat(src, "<font color='red'>Error: file_spam_check(): Spam. Please wait [DisplayTimeText(time_to_wait)].</font>")
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return 1
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var/delay = FTPDELAY
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if(holder)
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delay *= ADMIN_FTPDELAY_MODIFIER
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GLOB.fileaccess_timer = world.time + delay
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return 0
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#undef FTPDELAY
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#undef ADMIN_FTPDELAY_MODIFIER
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/proc/pathwalk(path)
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var/list/jobs = list(path)
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var/list/filenames = list()
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while(jobs.len)
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var/current_dir = pop(jobs)
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var/list/new_filenames = flist(current_dir)
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for(var/new_filename in new_filenames)
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// if filename ends in / it is a directory, append to currdir
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if(findtext(new_filename, "/", -1))
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jobs += current_dir + new_filename
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else
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filenames += current_dir + new_filename
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return filenames
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/proc/pathflatten(path)
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return replacetext(path, "/", "_")
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