86 lines
2.3 KiB
Go
86 lines
2.3 KiB
Go
package pages
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import (
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"crypto/sha256"
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"encoding/hex"
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"net/http"
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"os"
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"strings"
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"codeberg.org/video-prize-ranch/rimgo/utils"
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"github.com/gofiber/fiber/v2"
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)
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func HandleMedia(c *fiber.Ctx) error {
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c.Set("Cache-Control", "public,max-age=31557600")
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if strings.HasPrefix(c.Path(), "/stack") {
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return handleMedia(c, "https://i.stack.imgur.com/" + strings.ReplaceAll(c.Params("baseName"), "stack/", "") + "." + c.Params("extension"))
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} else {
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return handleMedia(c, "https://i.imgur.com/" + c.Params("baseName") + "." + c.Params("extension"))
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}
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}
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func HandleUserCover(c *fiber.Ctx) error {
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c.Set("Cache-Control", "public,max-age=604800")
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return handleMedia(c, "https://imgur.com/user/" + c.Params("userID") + "/cover?maxwidth=2560")
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};
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func HandleUserAvatar(c *fiber.Ctx) error {
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c.Set("Cache-Control", "public,max-age=604800")
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return handleMedia(c, "https://imgur.com/user/" + c.Params("userID") + "/avatar")
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};
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func handleMedia(c *fiber.Ctx, url string) error {
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utils.SetHeaders(c)
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if os.Getenv("FORCE_WEBP") == "1" && c.Query("no_webp") == "" && c.Accepts("image/webp") == "image/webp" && !strings.HasPrefix(c.Path(), "/stack") {
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url = strings.ReplaceAll(url, ".png", ".webp")
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url = strings.ReplaceAll(url, ".jpg", ".webp")
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url = strings.ReplaceAll(url, ".jpeg", ".webp")
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}
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if strings.HasPrefix(c.Path(), "/stack") && strings.Contains(c.OriginalURL(), "?") {
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url = url + "?" + strings.Split(c.OriginalURL(), "?")[1]
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}
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optionsHash := ""
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if utils.Config.ImageCache {
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hasher := sha256.New()
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hasher.Write([]byte(url))
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optionsHash = hex.EncodeToString(hasher.Sum(nil))
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image, err := os.ReadFile(utils.Config.CacheDir + "/" + optionsHash)
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if err == nil {
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_, err := c.Write(image)
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return err
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}
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}
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req, err := http.NewRequest("GET", url, nil)
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if err != nil {
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return err
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}
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if c.Get("Range") != "" {
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req.Header.Set("Range", c.Get("Range"))
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}
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res, err := http.DefaultClient.Do(req)
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if err != nil {
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return err
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}
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if res.StatusCode == 404 {
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c.Status(404)
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return c.Render("errors/404", nil)
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}
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c.Set("Accept-Ranges", "bytes")
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c.Set("Content-Type", res.Header.Get("Content-Type"));
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c.Set("Content-Length", res.Header.Get("Content-Length"))
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if res.Header.Get("Content-Range") != "" {
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c.Set("Content-Range", res.Header.Get("Content-Range"))
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}
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return c.SendStream(res.Body)
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} |