public override bool ReadParams(CommandReader cmd)
{
// get image URL
string urlstr = cmd.Next();
if (!WorldCommands.parseUrl(ref urlstr, Player))
{
return(false);
}
// validate the image URL
Uri url;
if (!Uri.TryCreate(urlstr, UriKind.Absolute, out url))
{
Player.Message("DrawImage: Invalid URL given.");
return(false);
}
else if (!url.Scheme.Equals(Uri.UriSchemeHttp) && !url.Scheme.Equals(Uri.UriSchemeHttps))
{
Player.Message("DrawImage: Invalid URL given. Only HTTP and HTTPS links are allowed.");
return(false);
}
ImageUrl = url;
// Check if player gave optional second argument (palette name)
string paletteName = cmd.Next();
if (paletteName != null)
{
Palette = BlockPalette.FindPalette(paletteName);
if (Palette == null)
{
Player.Message("DrawImage: Unrecognized palette \"{0}\". Available palettes are: \"{1}\"",
paletteName, BlockPalette.Palettes.JoinToString(pal => pal.Name));
return(false);
}
}
else
{
// default to "Light" (lit single-layer) palette
Palette = BlockPalette.FindPalette("Light");
}
// All set
return(true);
}
public override bool ReadParams(CommandReader cmd)
{
// get image URL
string str = cmd.Next();
if (str.NullOrWhiteSpace())
{
return(false);
}
// if string starts with "++", load image from imgur
if (str.StartsWith("++"))
{
str = "http://i.imgur.com/" + str.Substring(2) + ".png";
}
// prepend the protocol, if needed (assume http)
if (!str.CaselessStarts("http://") && !str.CaselessStarts("https://"))
{
str = "http://" + str;
}
// Convert imgur web page url to direct image url
if (str.StartsWith("http://imgur.com/"))
{
str = "http://i.imgur.com/" + str.Substring("http://imgur.com/".Length) + ".png";
}
if (str.StartsWith("https://imgur.com/"))
{
str = "https://i.imgur.com/" + str.Substring("https://imgur.com/".Length) + ".png";
}
if (!str.CaselessEnds(".png") && !str.CaselessEnds(".jpg") && !str.CaselessEnds(".gif"))
{
Player.Message("URL must be a link to an image");
return(false);
}
// validate the image URL
Uri url;
if (!Uri.TryCreate(str, UriKind.Absolute, out url))
{
Player.Message("DrawImage: Invalid URL given.");
return(false);
}
else if (!url.Scheme.Equals(Uri.UriSchemeHttp) && !url.Scheme.Equals(Uri.UriSchemeHttps))
{
Player.Message("DrawImage: Invalid URL given. Only HTTP and HTTPS links are allowed.");
return(false);
}
else if (!url.Host.CaselessEquals("i.imgur.com"))
{
Player.Message("For safety reasons we only accept images uploaded to &9http://imgur.com/ &SSorry for this inconvenience.");
return(false);
}
ImageUrl = url;
// Check if player gave optional second argument (palette name)
string paletteName = cmd.Next();
if (paletteName != null)
{
Palette = BlockPalette.FindPalette(paletteName);
if (Palette == null)
{
Player.Message("DrawImage: Unrecognized palette \"{0}\". Available palettes are: \"{1}\"",
paletteName, BlockPalette.Palettes.JoinToString(pal => pal.Name));
return(false);
}
}
else
{
// default to "Light" (lit single-layer) palette
Palette = BlockPalette.FindPalette("Light");
}
// All set
return(true);
}