95 lines
2.3 KiB
Go
95 lines
2.3 KiB
Go
package pages
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import (
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"crypto/rand"
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"fmt"
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"strconv"
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"strings"
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"codeberg.org/rimgo/rimgo/api"
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"codeberg.org/rimgo/rimgo/utils"
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"github.com/gofiber/fiber/v2"
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)
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// Cursed function
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func nextInTag(client *api.Client, tagname, sort, page, I string) string {
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i, err := strconv.Atoi(I)
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if err != nil || i < 0 {
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return ""
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}
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tag, err := client.FetchTag(tagname, sort, page)
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if err != nil {
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return ""
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}
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if i >= len(tag.Posts)-1 {
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pageNumber, _ := strconv.Atoi(page)
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tagn, err := client.FetchTag(tagname, sort, strconv.Itoa(pageNumber+1))
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if err != nil {
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return ""
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}
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return tagn.Posts[0].Link
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}
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return tag.Posts[i+1].Link
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}
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func HandlePost(c *fiber.Ctx) error {
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utils.SetHeaders(c)
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c.Set("X-Frame-Options", "DENY")
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post, err := api.Album{}, error(nil)
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switch {
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case strings.HasPrefix(c.Path(), "/a"):
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post, err = ApiClient.FetchAlbum(c.Params("postID"))
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case strings.HasPrefix(c.Path(), "/gallery"):
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post, err = ApiClient.FetchPosts(c.Params("postID"))
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case strings.HasPrefix(c.Path(), "/t"):
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post, err = ApiClient.FetchPosts(c.Params("postID"))
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default:
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post, err = ApiClient.FetchMedia(c.Params("postID"))
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}
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if err != nil && err.Error() == "ratelimited by imgur" {
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return utils.RenderError(c, 429)
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}
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if err != nil && post.Id == "" && strings.Contains(err.Error(), "404") {
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return utils.RenderError(c, 404)
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}
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if err != nil {
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return err
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}
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comments := []api.Comment{}
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if post.SharedWithCommunity {
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c.Set("Cache-Control", "public,max-age=604800")
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comments, err = ApiClient.FetchComments(c.Params("postID"))
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if err != nil {
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return err
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}
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} else {
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c.Set("Cache-Control", "public,max-age=31557600")
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}
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nonce := ""
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csp := "default-src 'none'; frame-ancestors 'none'; base-uri 'none'; form-action 'self'; media-src 'self'; img-src 'self'; manifest-src 'self'; block-all-mixed-content; style-src 'self'"
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if len(post.Tags) != 0 {
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b := make([]byte, 8)
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rand.Read(b)
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nonce = fmt.Sprintf("%x", b)
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csp = csp + " 'nonce-" + nonce + "'"
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}
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c.Set("Content-Security-Policy", csp)
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var next string
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tagParam := strings.Split(c.Query("tag"), ".")
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if len(tagParam) == 4 {
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tag, sort, page, index := tagParam[0], tagParam[1], tagParam[2], tagParam[3]
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next = nextInTag(ApiClient, tag, sort, page, index)
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}
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return c.Render("post", fiber.Map{
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"post": post,
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"next": next,
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"comments": comments,
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"nonce": nonce,
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})
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}
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