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Add embed validation

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waterflamev8 2021-03-20 13:21:35 +08:00
parent 2472f3c348
commit aac841101a
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GPG key ID: 33F92832767BF902
1 changed files with 47 additions and 0 deletions
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47
src/structures/embed.ts
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@ -29,6 +29,15 @@ export class Embed {
fields?: EmbedField[] fields?: EmbedField[]
files: MessageAttachment[] = [] files: MessageAttachment[] = []
static MAX_TITLE_LENGTH = 256
static MAX_DESCRIPTION_LENGTH = 2048
static MAX_FIELD_NAME_LENGTH = 256
static MAX_FIELD_VALUE_LENGTH = 1024
static MAX_FIELDS_LENGTH = 25
static MAX_FOOTER_TEXT_LENGTH = 2048
static MAX_AUTHOR_NAME_LENGTH = 256
static MAX_EMBED_LENGTH = 6000
constructor(data?: EmbedPayload) { constructor(data?: EmbedPayload) {
this.title = data?.title this.title = data?.title
this.type = data?.type this.type = data?.type
@ -47,6 +56,44 @@ export class Embed {
/** Convert Embed Object to Embed Payload JSON */ /** Convert Embed Object to Embed Payload JSON */
toJSON(): EmbedPayload { toJSON(): EmbedPayload {
let total = 0;
if (this.title?.length !== undefined && this.title?.length > Embed.MAX_TITLE_LENGTH) {
total += this.title.length
throw new Error(`Embed title cannot exceed ${Embed.MAX_TITLE_LENGTH} characters.`)
}
if (this.description?.length !== undefined && this.description?.length > Embed.MAX_DESCRIPTION_LENGTH) {
total += this.description.length
throw new Error(`Embed description cannot exceed ${Embed.MAX_DESCRIPTION_LENGTH} characters.`)
}
if (this.fields?.length !== undefined) {
this.fields.forEach((field) => {
if (field.name.length > Embed.MAX_FIELD_NAME_LENGTH) {
total += field.name.length
throw new Error(`Embed field name cannot exceed ${Embed.MAX_FIELD_NAME_LENGTH} characters.`)
}
if (field.value.length > Embed.MAX_FIELD_VALUE_LENGTH) {
total += field.value.length
throw new Error(`Embed field value cannot exceed ${Embed.MAX_FIELD_VALUE_LENGTH} characters.`)
}
})
if (this.fields.length > Embed.MAX_FIELDS_LENGTH) throw new Error('Embed fields cannot exceed 25 field objects.')
}
if (this.footer?.text?.length !== undefined && this.footer?.text?.length > Embed.MAX_FOOTER_TEXT_LENGTH) {
total += this.footer?.text?.length
throw new Error(`Embed footer text cannot exceed ${Embed.MAX_FOOTER_TEXT_LENGTH}.`)
}
if (this.author?.name?.length !== undefined && this.author?.name?.length > Embed.MAX_AUTHOR_NAME_LENGTH) {
total += this.author?.name?.length
throw new Error(`Embed author name cannot exceed ${Embed.MAX_AUTHOR_NAME_LENGTH}.`)
}
if (total > Embed.MAX_EMBED_LENGTH) throw new Error(`Embed characters cannot exceed ${Embed.MAX_EMBED_LENGTH} characters in total.`)
return { return {
title: this.title, title: this.title,
type: this.type, type: this.type,