Created
December 8, 2011 03:08
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Integrating SendGrid with CF
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| <!DOCTYPE HTML> | |
| <html lang="en-US"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>SendGrid Demo</title> | |
| </head> | |
| <body> | |
| <form action="process.cfm" method="POST"> | |
| <div> | |
| <label for="emails"> | |
| E-mail Address(es) | |
| <input type="text" name="emails" id="emails" /> | |
| </label> | |
| </div> | |
| <div> | |
| <label for="subs"> | |
| Real Name(s) | |
| <input type="text" name="subs" id="subs" /> | |
| </label> | |
| </div> | |
| <div> | |
| <label for="subject"> | |
| Subject Line | |
| <input type="text" name="subject" id="subject" /> | |
| </label> | |
| </div> | |
| <div> | |
| <label for="body"> | |
| Body Text | |
| <textarea name="body" id="body"></textarea> | |
| </label> | |
| </div> | |
| <div> | |
| <input type="submit" value="Send!" /> | |
| </div> | |
| </form> | |
| </body> | |
| </html> |
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| <cfscript> | |
| api = new smtpApiHeader(); | |
| // Convert our lists into arrays | |
| addresses = listToArray( form.emails ); | |
| names = listToArray( form.subs ); | |
| // Add our e-mail addresses to the JSON string | |
| api.addTo( addresses ); | |
| // Add our substitutions to the JSON string | |
| // SendGrid will look for %name% in our e-mail | |
| // and replace it with the appropriate value | |
| api.addSubVal( '%name%', names ); | |
| // Create our HTTP service so that we can send | |
| // this to the Web API | |
| httpSvc = new http(); | |
| httpSvc.setUrl( 'https://sendgrid.com/api/mail.send.json' ); | |
| // Add params containg the information we need to send | |
| // This is the JSON string that smtpApiHeader built for us | |
| httpSvc.addParam( name = 'x-smtpapi', value = api.asJSON(), type = 'url' ); | |
| // The "to" address appears to be ignored if there is a "to" | |
| // array in x-smtpapi. I just set it to the same value as the | |
| // "from address" | |
| httpSvc.addParam( name = 'to', value = 'your@email.com', type = 'url' ); | |
| httpSvc.addParam( name = 'from', value = 'your@email.com', type = 'url' ); | |
| httpSvc.addParam( name = 'subject', value = form.subject, type = 'url' ); | |
| // We could also specify HTML content here by adding another | |
| // param named "html" | |
| httpSvc.addParam( name = 'text', value = form.body, type = 'url' ); | |
| // Your api_user and api_key are your SendGrid username and password | |
| httpSvc.addParam( name = 'api_user', value = 'YOUR_API_USER', type = 'url' ); | |
| httpSvc.addParam( name = 'api_key', value = 'YOUR_API_KEY', type = 'url' ); | |
| // Send our request! | |
| httpResult = httpSvc.send().getPrefix(); | |
| </cfscript> |
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| <cfscript> | |
| // Github won't syntax highlight this unless I wrap it in cfscript..bleh | |
| component { | |
| public smtpApiHeader function init() { | |
| variables.data = {}; | |
| return this; | |
| } | |
| public void function addTo( required addresses ) { | |
| if( !isDefined( 'variables.data.to' ) ) { | |
| variables.data['to'] = []; | |
| } | |
| if( isArray( arguments.addresses ) ) { | |
| variables.data.to = arrayMerge( arguments.addresses, variables.data.to ); | |
| } else { | |
| arrayAppend( variables.data.to, arguments.addresses ); | |
| } | |
| } | |
| public void function addSubVal( required string key, required array values ) { | |
| if( !isDefined( 'variables.data.sub' ) ) { | |
| variables.data['sub'] = {}; | |
| } | |
| if( !isArray( 'variables.data.sub["#arguments.key#"]' ) ){ | |
| variables.data.sub["#arguments.key#"] = []; | |
| } | |
| variables.data.sub["#arguments.key#"] = arrayMerge( variables.data.sub["#arguments.key#"], arguments.values ); | |
| } | |
| public void function setUniqueArgs( required struct values ) { | |
| variables.data['unique_args'] = arguments.values; | |
| } | |
| public void function setCategory( required string category ) { | |
| variables.data['category'] = arguments.category; | |
| } | |
| public void function addFilterSetting( filter, setting, value ) { | |
| if( !isDefined( 'variables.data.filters' ) ) { | |
| variables.data['filters'] = {}; | |
| } | |
| if( !isStruct( 'variables.data.filters["#arguments.filter#"]' ) ) { | |
| variables.data['filters']["#arguments.filter#"] = {}; | |
| } | |
| if( !isStruct( 'variables.data.filters["#arguments.filter#"]["settings"]' ) ) { | |
| variables.data['filters']["#arguments.filter#"]['settings'] = {}; | |
| } | |
| variables.data['filters']["#arguments.filter#"]['settings']["#arguments.setting#"] = arguments.value; | |
| } | |
| /** | |
| * Appends array2 to the bottom of array1 | |
| */ | |
| private array function arrayMerge( required array array1, required array array2 ) { | |
| var i = ''; | |
| for( i = 1; i LTE arrayLen( arguments.array2 ); i++ ) { | |
| arrayAppend( arguments.array1, arguments.array2[i] ); | |
| } | |
| return arguments.array1; | |
| } | |
| public string function asJSON() { | |
| var json = serializeJSON( variables.data ); | |
| // Adds spaces so that if the string wraps, data isn't broken. | |
| json = reReplace( json, '(["\]}])([,:])(["\[{])', '\1\2 \3', 'all' ); | |
| return json; | |
| } | |
| public string function asString() { | |
| var json = asJSON(); | |
| var str = 'X-SMTPAPI: ' & wrap( json, 76 ); | |
| return str; | |
| } | |
| } | |
| </cfscript> |
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