rimgo/pages/post.go

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package pages
import (
"strconv"
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"strings"
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"codeberg.org/rimgo/rimgo/api"
"codeberg.org/rimgo/rimgo/utils"
"github.com/gofiber/fiber/v2"
)
// Cursed function
func nextInTag(client *api.Client, tagname, sort, page, I string) string {
i, err := strconv.Atoi(I)
if err != nil || i < 0 {
return ""
}
tag, err := client.FetchTag(tagname, sort, page)
if err != nil {
return ""
}
if i >= len(tag.Posts)-1 {
pageNumber, _ := strconv.Atoi(page)
tagn, err := client.FetchTag(tagname, sort, strconv.Itoa(pageNumber+1))
// Check length - Imgur will not return an error if there are no more posts and you request the next page
if err != nil || len(tagn.Posts) < 1 {
return ""
}
return tagn.Posts[0].Link
}
return tag.Posts[i+1].Link
}
func HandlePost(c *fiber.Ctx) error {
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 {
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"):
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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if err != nil {
return err
}
c.Set("Cache-Control", "public,max-age=31557600")
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csp := "default-src 'none'; frame-ancestors 'none'; base-uri 'none'; form-action 'self'; media-src 'self' https://i.imgur.com https://i.stack.imgur.com; img-src 'self' https://i.imgur.com https://i.stack.imgur.com; manifest-src 'self'; block-all-mixed-content; style-src 'self'"
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c.Set("Content-Security-Policy", csp)
var next string
tagParam := strings.Split(c.Query("tag"), ".")
if len(tagParam) == 4 {
tag, sort, page, index := tagParam[0], tagParam[1], tagParam[2], tagParam[3]
next = nextInTag(ApiClient, tag, sort, page, index)
}
return c.Render("post", fiber.Map{
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"post": post,
"next": next,
})
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}