Xero Redirect URI for OAuth2 and Desktop Apps

This post is about Xero OAuth2 for desktop apps, but the same concepts generally apply to all other applications (REST API apps) using OAuth2. What many developers don’t initially realize (if new to OAuth2) is that an “App” needs to be defined in the developer portal for the service (i.e. Xero in this case).   For Xero, you would login to […]

Add-Type PowerShell Error for ChilkatDotNet47.dll

Problem:   The following command: Add-Type -Path “C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll” results in the following errors when attempting to run in PowerShell: + Add-Type -Path”C:\chilkat\chilkatdotnet47-9.5.0-x64\ChilkatDotNet47.d … + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo          : InvalidData : (Microsoft.Power…peCompilerError:AddTypeCompilerError) [Add-Type], Exception + FullyQualifiedErrorId : SOURCE_CODE_ERROR,Microsoft.PowerShell.Commands.AddTypeCommand Add-Type : Impossible d’ajouter un type. Des erreurs de compilation se sont produites. Au caractère C:\ProgramData\C1B2.ps1:1 : 1 + Add-Type -Path”C:\chilkat\chilkatdotnet47-9.5.0-x64\ChilkatDotNet47.d … + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ […]

Chilkat v9.5.0.85 Pre-Release Notes

The previous version release notes: Chilkat v9.5.0.84 Release Notes Chilkat v9.5.0.85 Pre-Release Notes 26-Oct-2020 Cert: Added the ExtendedKeyUsage property. 4-Nov-2020 XmlDSigGen: Fixed problem when X509Type property includes “SubjectName” AND the signing certificate has a subject name that includes the ‘&’ char. 4-Nov-2020 TLS 1.3: Fixed the error “Unexpected key_share group” that occurred in certain rare situations. 17-Nov-2020 MailMan/SMTP: Added the […]

Chilkat v9.5.0.84 Release Notes

The previous version release notes: Chilkat v9.5.0.83 Release Notes Chilkat v9.5.0.84 Release Notes 17-Jul-2020 CSR: Added the AddSan method to allow for 1 or more Subject Alternative Names to be added to the CSR that is generated. 25-Aug-2020 Tar: Added the ClearDirRootsAndFiles method. 10-Sep-2020 Email: Fixed some email address parsing problems — for very rare issues (basically crazy situations that […]

GMail IMAP OAuth2 – A Walkthrough

This blog post covers from start to finish the process for getting a desktop application working with GMail using the IMAP protocol with OAuth2 authentication. Start here:  https://console.developers.google.com/apis/credentials (1) The first step is to create credentials.  Your app is a desktop application.  HOWEVER, you will be creating credentials as if your app is a web app. See this YouTube video […]

Apple Mail warning: Unable to Verify Message Signature

If Apple Mail displays the warning “Unable to verify message signature”, and when clicking details it says: The digital signature is incorrect. The message may have been tampered with or corrupted since signed by (sender’s name). the reason is due to a bug in Apple Mail (possibly introduced in a recent version of MacOSX). See https://apple.stackexchange.com/questions/343251/apple-mail-warning-unable-to-verify-message-signature “When Mail is set […]

Chilkat v9.5.0.83 Release Notes

The previous version release notes: Chilkat v9.5.0.82 Release Notes Chilkat v9.5.0.83 Release Notes 25-Mar-2020 SHA3: Added the SHA3 hash algorithms: sha3-224, sha3-256, sha3-384, sha3-512. The SHA3 hash algorithms may generally be used in any property or method of any Chilkat class where a hash algorithm is specified. 25-Mar-2020 MailMan: Added OAuth2 authentication capability (“AUTH XOAUTH2”) for POP3 servers such as […]

Receiving a Webhook JSON POST in Classic ASP

Question: I need to setup a page in Classic ASP to serve as a webhook endpoint listener in Classic ASP The form product we are using (Paperform) posts the data to our endpoint as a JSON post payload. https://help.paperform.co/en/articles/2073207-how-to-use-webhooks Submission payload Webhooks POST a JSON payload on submission to the webhook URL. The JSON payload looks like the following: { “data”: […]

Using PeerBlock can Interfere with REST API’s running on AWS Lambda

A Chilkat customer uses Chilkat HTTP to send REST API requests to a popular IP Geolocation service.   The REST API requests worked a few times, but then started failing with this error information in Http.LastErrorText: ConnectFailReason: Connection rejected A few possible causes for a connection being rejected are: – A firewall (software or hardware), such as Windows Firewall, is blocking […]