91 lines
2 KiB
Crystal
91 lines
2 KiB
Crystal
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require "json"
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class MediumClient
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# https://stackoverflow.com/questions/2669690/
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JSON_HIJACK_STRING = "])}while(1);</x>"
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def self.post_data(post_id : String) : HTTP::Client::Response
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client = HTTP::Client.new("medium.com", tls: true)
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client.post("/_/graphql", headers: headers, body: body(post_id))
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end
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def self.embed_data(media_id : String) : MediaResponse::Root
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client = HTTP::Client.new("medium.com", tls: true)
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response = client.get("/media/#{media_id}", headers: headers)
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body = response.body.sub(JSON_HIJACK_STRING, nil)
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MediaResponse::Root.from_json(body)
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end
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private def self.headers : HTTP::Headers
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HTTP::Headers{
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"Accept" => "application/json",
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"Content-Type" => "application/json; charset=utf-8",
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}
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end
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private def self.body(post_id : String) : String
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query = <<-GRAPHQL
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query {
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post(id: "#{post_id}") {
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title
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creator {
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id
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name
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}
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content {
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bodyModel {
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paragraphs {
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text
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type
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markups {
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name
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type
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start
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end
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}
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href
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iframe {
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mediaResource {
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id
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}
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}
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metadata {
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__typename
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id
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originalWidth
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originalHeight
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}
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}
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}
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}
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}
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}
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GRAPHQL
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JSON.build do |json|
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json.object do
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json.field "query", query
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json.field "variables", {} of String => String
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end
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end
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end
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end
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class MediaResponse
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class Base
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include JSON::Serializable
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end
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class Root < Base
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property payload : Payload
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end
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class Payload < Base
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property value : Value
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end
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class Value < Base
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property href : String
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property iframeSrc : String
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end
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end
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