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@niwatako
Created May 18, 2021 16:11
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金融庁の暗号資産交換業者一覧のPDFが更新されていないか確認し、更新されていればSlackに通知する
var SLACK_USER_ID_TO_NOTICE = PropertiesService.getScriptProperties().getProperty("SLACK_USER_ID_TO_NOTICE")
var SLACK_WEBHOOK_URL = PropertiesService.getScriptProperties().getProperty("SLACK_WEBHOOK_URL")
var SLACK_CHANNEL = PropertiesService.getScriptProperties().getProperty("SLACK_CHANNEL")
var SLACK_BOT_NAME = PropertiesService.getScriptProperties().getProperty("SLACK_BOT_NAME")
var DIGEST_PROPERTY_KEY = "DIGEST_PROPERTY_KEY"
function main() {
var url = "https://www.fsa.go.jp/menkyo/menkyoj/kasoutuka.pdf"
var pdf = UrlFetchApp.fetch(url).getAs('application/pdf')
var bytes = pdf.getBytes
var digest = MD5_(bytes)
var scriptProperties = PropertiesService.getScriptProperties();
var previous_digest = scriptProperties.getProperty(DIGEST_PROPERTY_KEY)
if (digest == previous_digest) {
return
} else {
scriptProperties.setProperty(DIGEST_PROPERTY_KEY, digest)
sendToSlack_(SLACK_USER_ID_TO_NOTICE + "金融庁 暗号資産交換業者登録一覧 が更新されました\n" + url);
return
}
}
function MD5_ (input) {
var rawHash = Utilities.computeDigest(Utilities.DigestAlgorithm.MD5, input, Utilities.Charset.UTF_8);
var txtHash = '';
for (i = 0; i < rawHash.length; i++) {
var hashVal = rawHash[i];
if (hashVal < 0) {
hashVal += 256;
}
if (hashVal.toString(16).length == 1) {
txtHash += '0';
}
txtHash += hashVal.toString(16);
}
return txtHash;
}
function sendToSlack_(message) {
var url = SLACK_WEBHOOK_URL;
var data = {
"channel" : SLACK_CHANNEL,
"username" : SLACK_BOT_NAME,
"text" : message,
//"unfurl_links": true,
};
var payload = JSON.stringify(data);
var options = {
"method" : "POST",
"contentType" : "application/json",
"payload" : payload
};
return UrlFetchApp.fetch(url, options);
}
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