krz/skunky-art

  1package app
  2
  3import (
  4	"encoding/json"
  5	"os"
  6	"regexp"
  7	"skunkyart/static"
  8	"strconv"
  9	"time"
 10
 11	"git.macaw.me/skunky/devianter"
 12)
 13
 14var Release struct {
 15	Version string
 16	Description string
 17}
 18
 19type cache_config struct {
 20	Enabled        bool
 21	Path           string
 22	MaxSize        int64 `json:"max-size"`
 23	Lifetime       string
 24	UpdateInterval int64 `json:"update-interval"`
 25}
 26
 27type config struct {
 28	cfg           string
 29	Listen        string
 30	URI           string `json:"uri"`
 31	Cache         cache_config
 32	Proxy, Nsfw   bool
 33	UserAgent     string `json:"user-agent"`
 34	DownloadProxy string `json:"download-proxy"`
 35	StaticPath    string `json:"static-path"`
 36}
 37
 38var CFG = config{
 39	cfg:    "config.json",
 40	Listen: "127.0.0.1:3003",
 41	URI:    "/",
 42	Cache: cache_config{
 43		Enabled:        false,
 44		Path:           "cache",
 45		UpdateInterval: 1,
 46	},
 47	StaticPath: "static",
 48	UserAgent:  "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36",
 49	Proxy:      true,
 50	Nsfw:       true,
 51}
 52
 53var lifetimeParsed int64
 54
 55func ExecuteConfig() {
 56	if CFG.cfg != "" {
 57		f, err := os.ReadFile(CFG.cfg)
 58		tryWithExitStatus(err, 1)
 59		tryWithExitStatus(json.Unmarshal(f, &CFG), 1)
 60		if CFG.Cache.Enabled && !CFG.Proxy {
 61			exit("Incompatible settings detected: cannot use caching media content without proxy", 1)
 62		}
 63
 64		if CFG.Cache.Enabled {
 65			if CFG.Cache.Lifetime != "" {
 66				var duration int64
 67				day := 24 * time.Hour.Milliseconds()
 68				numstr := regexp.MustCompile("[0-9]+").FindAllString(CFG.Cache.Lifetime, -1)
 69				num, _ := strconv.Atoi(numstr[len(numstr)-1])
 70
 71				switch unit := CFG.Cache.Lifetime[len(CFG.Cache.Lifetime)-1:]; unit {
 72				case "i":
 73					duration = time.Minute.Milliseconds()
 74				case "h":
 75					duration = time.Hour.Milliseconds()
 76				case "d":
 77					duration = day
 78				case "w":
 79					duration = day * 7
 80				case "m":
 81					duration = day * 30
 82				case "y":
 83					duration = day * 360
 84				default:
 85					exit("Invalid unit specified: "+unit, 1)
 86				}
 87
 88				lifetimeParsed = duration * int64(num)
 89			}
 90			CFG.Cache.MaxSize *= 1024 ^ 2
 91			go InitCacheSystem()
 92		}
 93
 94		About = instanceAbout{
 95			Proxy: CFG.Proxy,
 96			Nsfw: CFG.Nsfw,
 97		}
 98		
 99		static.StaticPath = CFG.StaticPath
100		devianter.UserAgent = CFG.UserAgent
101	}
102}