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import.go
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import.go
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package style
import (
"fmt"
"strconv"
"strings"
"github.com/gofiber/fiber/v2"
"github.com/vednoc/go-usercss-parser"
"userstyles.world/handlers/jwt"
"userstyles.world/models"
"userstyles.world/modules/archive"
"userstyles.world/modules/images"
"userstyles.world/modules/log"
"userstyles.world/modules/util"
"userstyles.world/modules/validator"
)
func ImportGet(c *fiber.Ctx) error {
u, _ := jwt.User(c)
return c.Render("style/import", fiber.Map{
"Title": "Add userstyle",
"User": u,
})
}
func ImportPost(c *fiber.Ctx) error {
u, _ := jwt.User(c)
// Check if someone tries submitting local userstyle.
origin := strings.TrimSpace(c.FormValue("import"))
if strings.Contains(origin, "file:///") {
return c.Render("err", fiber.Map{
"Title": "Can't import local userstyles",
"User": u,
})
}
s := new(models.Style)
switch {
// Import from USo-archive.
case archive.IsFromArchive(origin):
var err error
origin, err = archive.RewriteURL(origin)
if err != nil {
return c.Render("err", fiber.Map{
"Title": err,
"User": u,
})
}
s, err = archive.ImportFromArchive(origin, *u)
if err != nil {
return c.Render("err", fiber.Map{
"Title": err,
"User": u,
})
}
// Import from anywhere.
case origin != "":
// Get userstyle.
uc := new(usercss.UserCSS)
if err := uc.ParseURL(origin); err != nil {
log.Warn.Println("Failed to parse userstyle from URL:", err.Error())
return c.Render("err", fiber.Map{
"Title": "Failed to fetch external userstyle",
"User": u,
})
}
// Set fields.
s.UserID = u.ID
s.Name = uc.Name
s.Code = uc.SourceCode
s.License = uc.License
s.Description = uc.Description
s.Homepage = uc.HomepageURL
s.Category = strings.TrimSpace(c.FormValue("category", "unset"))
s.Original = origin
// Validation stage.
default:
s = &models.Style{
Name: strings.TrimSpace(c.FormValue("name")),
Description: strings.TrimSpace(c.FormValue("description")),
Notes: strings.TrimSpace(c.FormValue("notes")),
Homepage: strings.TrimSpace(c.FormValue("homepage")),
License: strings.TrimSpace(c.FormValue("license", "No License")),
Code: strings.TrimSpace(util.RemoveUpdateURL(c.FormValue("code"))),
Category: strings.TrimSpace(c.FormValue("category")),
Original: c.FormValue("original"),
UserID: u.ID,
}
}
// Enable code/meta mirroring.
s.ImportPrivate = c.FormValue("importPrivate") == "on"
s.MirrorPrivate = c.FormValue("mirrorPrivate") == "on"
s.MirrorCode = c.FormValue("mirrorCode") == "on"
s.MirrorMeta = c.FormValue("mirrorMeta") == "on"
// Get previewURL
preview := c.FormValue("previewURL", s.Preview)
m, err := s.Validate(validator.V, true)
if err != nil {
return c.Render("style/import", fiber.Map{
"Title": "Import userstyle",
"User": u,
"Style": s,
"PreviewURL": preview,
"err": m,
"Error": "Incorrect userstyle data was entered. Please review the fields bellow.",
})
}
// Prevent importing multiples of the same style.
err = models.CheckDuplicateStyle(s)
if err != nil {
return c.Render("err", fiber.Map{
"Title": err,
"User": u,
})
}
s.Code = util.RemoveUpdateURL(s.Code)
s, err = models.CreateStyle(s)
if err != nil {
log.Warn.Println("Failed to import style from URL:", err.Error())
return c.Render("err", fiber.Map{
"Title": "Internal server error",
"User": u,
})
}
err = models.SaveStyleCode(strconv.Itoa(int(s.ID)), s.Code)
if err != nil {
log.Warn.Printf("kind=code id=%v err=%q\n", s.ID, err)
}
// Check preview image.
file, _ := c.FormFile("preview")
styleID := strconv.FormatUint(uint64(s.ID), 10)
if file != nil || preview != "" {
if err := images.Generate(file, styleID, "0", "", preview); err != nil {
log.Warn.Println("Error:", err)
s.Preview = ""
} else {
s.SetPreview()
if err = s.UpdateColumn("preview", s.Preview); err != nil {
log.Warn.Printf("Failed to update preview for %s: %s\n", styleID, err)
}
}
}
return c.Redirect(fmt.Sprintf("/style/%d", int(s.ID)), fiber.StatusSeeOther)
}