Libraries tagged by authorize action
fivelab/authorize-action-bundle
295 Downloads
The bundle for integrate the authorize-action library with Symfony application.
fivelab/authorize-action
306 Downloads
The library for authorize action before executing.
brunnofoggia/himax
86 Downloads
A toolkit implement to authenticate and authorize users actions
kruegge82/jtlffn
7 Downloads
# Introduction JTL-FFN is a standardized interface for fulfillment service providers and their customers. Fulfiller can offer their services to merchants and merchants can respectively choose from a wide range of service providers according to their needs. ## The ecosystem The FFN network consists of this REST API, an online portal and third party integrations (JTL-Wawi being one of them). The REST API orchestrates the interactions between the participants and the portal website provides services by JTL (such as managing and certifying warehouses of a fulfiller and merchants searching for their service providers). ## About this API The base url of this api is [https://ffn2.api.jtl-software.com/api](https://ffn2.api.jtl-software.com/api). This API (and this documentation) consists of three parts: * Fulfiller API - operations used when acting as a fulfiller in the network. Only users with the role `Fulfiller` can access these endpoints. * Merchant API - operations used when acting as a merchant in the network. Only users with the role `Merchant` can access these endpoints. * Shared API - operations available to all users. Please use the navigation menu at the top to switch between the documentation for the different APIs. # OAuth The FFN-API uses [OAuth2](https://tools.ietf.org/html/rfc6749) with the [Authorization Code Grant](https://tools.ietf.org/html/rfc6749#section-4.1) for its endpoints. Users must have an active [JTL customer center](https://kundencenter.jtl-software.de) account to authorize against the OAuth2 server. Applications and services using the API must acquire client credentials from JTL. ## Application credentials When making calls against the API, you need to do it in the context of an application. You will get the credentials for your application from JTL. Application credentials consist of the following: * `client_id` - uniquely identifies your application * `client_secret` - secret used to authenticate your application * `callback_uri` - the uri the OAuth2 server redirect to on authorization requests ## Requesting authorization When you want to authorize a user you redirect him to `https://oauth2.api.jtl-software.com/authorize` with the following query string parameters: * `response_type` - Must be set to "code" for the [Authorization Code Grant](https://tools.ietf.org/html/rfc6749#section-4.1). * `redirect_uri` - After the user accepts your authorization request this is the url that will be redirected to. It must match the `callback_uri` in your client credentials. * `client_id` - Your applications identifier from your application credentials. * `scope` - The scopes you wish to authorize (space delimited). * `state` - An opaque value that will be included when redirecting back after the user accepts the authorisation. This is not required, but is important for [security considerations](http://www.thread-safe.com/2014/05/the-correct-use-of-state-parameter-in.html). After successful authorization by the user, the OAuth2 server will redirect back to your applications callback with the following query string parameters: * `code` - The authorization code. * `state` - The state parameter that was sent in the request. ## Verifying authorization The authorization code you acquired in the last step will now be exchanged for an access token. In order to do this you need to POST a request to `https://oauth2.api.jtl-software.com/token`. >POST > >Authorization: Basic `application_basic_auth`\ >Content-Type: application/x-www-form-urlencoded > >grant_type=authorization_code&code=`code`&redirect_uri=`redirect_uri` In the Authorization header [Basic HTTP authentication](https://tools.ietf.org/html/rfc7617) is used. Your application credentials `client_id` will be used as the username and your `client_secret` as the password. The header should have the value "Basic" plus the Base64 encoded string comprising of `client_id:client_secret`. The body of the request consist of the form encoded parameters: * `grant_type` - Must be set to "authorization_code". * `code` - The authorization code received from the previous step. * `redirect_uri` - Must match the `callback_uri` in your client credentials. A successful verification request will return a JSON response with the properties: * `token_type` - is always "Bearer" * `expires_in` - the time in seconds until the access token will expire * `access_token` - the access token used for API requests * `refresh_token` - token used to get a new access_token without needing to ask the user again Now the APIs endpoints that need authorization can be called by setting the header >Authorization: Bearer `access_token` ## Refreshing authorization To get a new `access_token` (for example when the old one expired) one can POST a request to `https://oauth2.api.jtl-software.com/token`. >POST > >Authorization: Basic `application_basic_auth`\ >Content-Type: application/x-www-form-urlencoded > >grant_type=refresh_token&refresh_token=`refresh_token` The Basic HTTP Authorization works exactly as in the verification step. The body of the request consist of the form encoded parameters: * `grant_type` - Must be set to "refresh_token". * `refresh_token` - The `refresh_token` you acquired during verification. The response will be the same as in the verification step. ## Scopes Scopes allow fine grained control over what actions are allowed for a given application. During login users must approve the requested scopes, so it is often feasible to limit asking for permissions your application really needs. Global scopes for common permission scenarios are the following: * `ffn.fulfiller.read` - full read access for the fulfiller API * `ffn.fulfiller.write` - full write access for the fulfiller API * `ffn.merchant.read` - full read access for the merchant API * `ffn.merchant.write` - full write access for the merchant API More fine grained scopes can be acquired from each respective endpoints documentation. ## Example ### Prerequsites * JTL Customer center account (https://kundencenter.jtl-software.de/) * cUrl (https://curl.se/) * FFN portal account (just login here: https://fulfillment.jtl-software.com) * FFN portal sandbox account (if you want to test on sandbox: https://fulfillment-sandbox.jtl-software.com) * Oauth Client for authorization and define scopes Values in this example (access_token, refresh_token, code...) are expired and cannot be used verbatim. ### Step 1 - Create an OAuth client Navigate to https://kundencenter.jtl-software.de/oauth and create a new OAuth client. (You can´t navigate to Oauth in customer account, you should use this link, or you can change logged in index to oauth) !Templates define what scopes are possible for this client. scopes with access rights: * ffn.merchant.read - full read access for the fulfiller API * ffn.merchant.write - full write access for the fulfiller API * ffn.fulfiller.read - full read access for the merchant API * ffn.fulfiller.write - full write access for the merchant API More fine grained scopes can be acquired from each respective endpoints documentation.  Overview: clients, scopes, client-secret and client-id  In our example: * client_id: 97170e65-d390-4633-ba46-d6ghef8222de * client_secret: f364ldUw3wGJFGn3JXE2NpGdCvUSMlmK72gsYg1z * redirect_uri: http://localhost:53972/ffn/sso The values for this client should not be used in production and are for testing only. ### Step 2 - User login In this step you will redirect the user to the JTL OAuth website using his default browser. Here the user will provide his username/password and accept the requested scopes. Finally the JTL Oauth website will redirect to the provided redirect_uri and provide the code. Template: authorize specified scopes and get code answer to request the access token ``` https://oauth2.api.jtl-software.com/authorize?response_type=code&redirect_uri=[redirect_uri]&client_id=[client_id]&scope=[scopes] ``` Note: the scopes should be seperated by spaces or %20 Filled with our example values: ``` https://oauth2.api.jtl-software.com/authorize?response_type=code&redirect_uri=http://localhost:53972/ffn/sso/oauth&client_id=97170e65-d390-4633-ba46-d6ghef8222de&scope=ffn.merchant.read%20ffn.merchant.write ``` * enter password  * authorize scopes  * code answer from server  Example of the answer from the OAuth server to our redirect_uri: ``` http://localhost:53972/ffn/sso?code=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 ``` Extract the code and note it for next steps. ### Step 3 - Get an access_token from the code Template: get access token + refresh token ``` curl --location --request POST "https://oauth2.api.jtl-software.com/token" --header "Content-Type: application/x-www-form-urlencoded" -u "[client_id]:[client_secret]" --data-urlencode "grant_type=authorization_code" --data-urlencode "redirect_uri=[redirect_uri]" --data-urlencode "code=[code]" ``` Filled with our example values: ``` curl --location --request POST "https://oauth2.api.jtl-software.com/token" --header "Content-Type: application/x-www-form-urlencoded" -u "97170e64-d390-4696-ba46-d6fcef8207de:f364ldUw3wIJFGn3JXE2NpGdAvUSMlmK72gsYg1z" --data-urlencode "grant_type=authorization_code" --data-urlencode "redirect_uri=http://localhost:49420/oauth" --data-urlencode "code=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" ``` The result will be a JSON answer with the users access_token and refresh_token as well as the expiry in seconds. ``` { "token_type":"Bearer", "expires_in":1800, "access_token":"eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9. eyJhdWQiOiI5NzE3MGU2NC1kMzkwLTQ2OTYtYmE0Ni1kNmZjZWY4MjA3ZGUiLCJqdGkiOiJlOWVhN2Q0MWI1NDIzNTcyYWU0MDEzYjEzMDZiMGRkNWM3YmQ2ZTNjMDNhYTZmNjQ2M2NlMjUzNTc0ZmUyMWE3NGQyNTIyMTJhODQwMmI1ZCIsImlhdCI6MTY2MTI1MzE0OCwibmJmIjoxNjYxMjUzMTQ4LCJleHAiOjE2NjEyNTQ5NDgsInN1YiI6IjQ2MjA5Iiwic2NvcGVzIjpbImZmbi5tZXJjaGFudC5yZWFkIiwiZmZuLm1lcmNoYW50LndyaXRlIl19.eEwY021wR3BWVp-wbAVQrjfqwFbYqLlOV_ca-cb7-O3Kdpi8mkFQBxfI8rzSiV_1WpAINf4ydV9FR9Ty992SMiAqGJ3T9zDHd68oUDePeq7Xfafp-87UboI2mCfGd7518CoKVLqg5ohb4YCqgC7Dz588FofggCQyDZQSM-8raOgcM-pJ1TT7oRuYuDHsOzCOTPcX2YiGYKCc3M6kxlBy_NjrJoLa4qysLRmPkznWwj0caC7a0VJO5KubvECcMb9D7Byr3UNjI7GiGMAufa770V5qCjrWs4gOsRV-Bn7oQydvsL21qqjBKHcssQrlLZWmrcfKqgBKwfRXIx3Mu5HBCmtHjHMnuvPVEZAj6fEfIwjYSeTAHTHApEwbE7J1MPd8MU0K6X2YEUF315fXN5F3rO3ZL5FdTwcM1E-1-PKubLuMAaE6Lw-QsDtBoI4ESylomCmCCfgLV4Vj-in_oCJUmKXAX0tDSa9y9vb6oAExung_BTJCBemffCtkJ55Px7bvi9JXmwvI0pIFo3QzTUtRbFDizCMrPZvsatFx64mXX3IDoVqXr3uzvdetBIJEj2ngVdGRrKGt4Yboae5oFV2d5jdSZBL28pwGjey__ZB4zLR1DodQ0sOqDWJ3WsEjMYXU8_-IGrS8Kkw8Q0R0UqqyVLfcLr-cfH5tYqf2QLqAScY","refresh_token":"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" } ``` ### Step 4 - Test the access_token Using your newly aquired access_token you can test if its working (reminder: the access_token has a limited lifetime and might be expired, in which case we would need to refresh it (see Step 5)). Template: Test communication with access token on sandbox or production (our client is for both systems) ``` curl --location --request GET "https://ffn-sbx.api.jtl-software.com/api/v1/users/current" --header "Authorization: Bearer [access_token]" ``` If you cannot retrieve the user data using this endpoint make sure you have logged into our respective portal website (sandbox, production) at least once as this triggers user creation in the system. ### Step 5 - Refresh access_token when it expires Template: Get a new access token + refresh token with the refresh token ``` curl --location --request POST "https://oauth2.api.jtl-software.com/token" --header "Content-Type: application/x-www-form-urlencoded" -u "[client_id]:[client_secret]" --data-urlencode "grant_type=refresh_token" --data-urlencode "refresh_token=[refresh_token]" ``` Filled with our example values: ``` curl --location --request POST "https://oauth2.api.jtl-software.com/token" --header "Content-Type: application/x-www-form-urlencoded" -u "97170e64-d390-4696-ba46-d6fcef8207de:f364ldUw3wIJFGn3JXE2NpGdAvUSMlmK72gsYg1z" --data-urlencode "grant_type=refresh_token" --data-urlencode "refresh_token=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" ``` The result will be the same format as in step 3. Refresh_tokens are only valid for a single refresh and you will get a new refresh_token every single time that you must persist. ### My token is not working! #### 404 NotFound You need to log into the respective portal website (sandbox-https://fulfillment-sandbox.jtl-software.com, production-https://fulfillment.jtl-software.com) at least once to trigger user creation. #### 403 Forbidden You might be missing scopes in your token and don't have sufficient rights. #### 401 Forbidden Incorrect Oauth method. For example, we do not support the Oauth method authorisation "client_credentials grant". The authorisation method "code grant" with user must be used.
kariae/authorizer-bundle
6 Downloads
A Symfony bundle to manage controller's actions access with a nice GUI
tmoiseenko/laravel-customer-service
0 Downloads
A package for creating a General user entity, with the ability to save his actions in the application before authorization and subsequent linking of the received data with the authorized user.
sendpost/sendpost-php-sdk
484 Downloads
# Introduction SendPost provides email API and SMTP relay which can be used not just to send & measure but also alert & optimised email sending. You can use SendPost to: * Send personalised emails to multiple recipients using email API * Track opens and clicks * Analyse statistics around open, clicks, bounce, unsubscribe and spam At and advanced level you can use it to: * Manage multiple sub-accounts which may map to your promotional or transactional sending, multiple product lines or multiple customers * Classify your emails using groups for better analysis * Analyse and fix email sending at sub-account level, IP Pool level or group level * Have automated alerts to notify disruptions regarding email sending * Manage different dedicated IP Pools so to better control your email sending * Automatically know when IP or domain is blacklisted or sender score is down * Leverage pro deliverability tools to get significantly better email deliverability & inboxing [](https://god.gw.postman.com/run-collection/33476323-e6dbd27f-c4a7-4d49-bcac-94b0611b938b?action=collection%2Ffork&source=rip_markdown&collection-url=entityId%3D33476323-e6dbd27f-c4a7-4d49-bcac-94b0611b938b%26entityType%3Dcollection%26workspaceId%3D6b1e4f65-96a9-4136-9512-6266c852517e) # Overview ## REST API SendPost API is built on REST API principles. Authenticated users can interact with any of the API endpoints to perform: * **GET**- to get a resource * **POST** - to create a resource * **PUT** - to update an existing resource * **DELETE** - to delete a resource The API endpoint for all API calls is: https://api.sendpost.io/api/v1 Some conventions that have been followed in the API design overall are following: * All resources have either /api/v1/subaccount or /api/v1/account in their API call resource path based on who is authorised for the resource. All API calls with path /api/v1/subaccount use X-SubAccount-ApiKey in their request header. Likewise all API calls with path /api/v1/account use X-Account-ApiKey in their request header. * All resource endpoints end with singular name and not plural. So we have domain instead of domains for domain resource endpoint. Likewise we have sender instead of senders for sender resource endpoint. * Body submitted for POST / PUT API calls as well as JSON response from SendPost API follow camelcase convention * All timestamps returned in response (created or submittedAt response fields) are UNIX nano epoch timestamp. All resources have either /api/v1/subaccount or /api/v1/account in their API call resource path based on who is authorised for the resource. All API calls with path /api/v1/subaccount use X-SubAccount-ApiKey in their request header. Likewise all API calls with path /api/v1/account use X-Account-ApiKey in their request header. SendPost uses conventional HTTP response codes to indicate the success or failure of an API request. * Codes in the 2xx range indicate success. * Codes in the 4xx range indicate an error owing due to unauthorize access, incorrect request parameters or body etc. * Code in the 5xx range indicate an eror with SendPost's servers ( internal service issue or maintenance ) SendPost all responses return created in UNIX nano epoch timestamp. ## Authentication SendPost uses API keys for authentication. You can register a new SendPost API key at our [developer portal](https://app.sendpost.io/register). SendPost expects the API key to be included in all API requests to the server in a header that looks like the following: `X-SubAccount-ApiKey: AHEZEP8192SEGH` This API key is used for all Sub-Account level operations such as: * Sending emails * Retrieving stats regarding open, click, bounce, unsubscribe and spam * Uploading suppressions list * Verifying sending domains and more In addition to X-SubAccount-ApiKey you also have another API Key X-Account-APIKey which is used for Account level operations such as : * Creating and managing sub-accounts * Allocating IPs for your account * Getting overall billing and usage information * Email List validation * Creating and managing alerts and more You must look at individual API reference page to look at whether X-SubAccount-ApiKey is required or X-Account-ApiKey In case an incorrect API Key header is specified or if it is missed you will get HTTP Response 401 ( Unauthorized ) response from SendPost. ## HTTP Response Headers Code | Reason | Details ---------------| -----------------------| ----------- 200 | Success | Everything went well 401 | Unauthorized | Incorrect or missing API header either X-SubAccount-ApiKey or X-Account-ApiKey 403 | Forbidden | Typically sent when resource with same name or details already exist 406 | Missing resource id | Resource id specified is either missing or doesn't exist 422 | Unprocessable entity | Request body is not in proper format 500 | Internal server error | Some error happened at SendPost while processing API request 503 | Service Unavailable | SendPost is offline for maintenance. Please try again later # API SDKs We have native SendPost SDKs in the following programming languages. You can integrate with them or create your own SDK with our API specification. In case you need any assistance with respect to API then do reachout to our team from website chat or email us at **[email protected]** * [PHP](https://github.com/sendpost/sendpost_php_sdk) * [Javascript](https://github.com/sendpost/sendpost_javascript_sdk) * [Ruby](https://github.com/sendpost/sendpost_ruby_sdk) * [Python](https://github.com/sendpost/sendpost_python_sdk) * [Golang](https://github.com/sendpost/sendpost_go_sdk) # API Reference SendX REST API can be broken down into two major sub-sections: * Sub-Account * Account Sub-Account API operations enable common email sending API use-cases like sending bulk email, adding new domains or senders for email sending programmatically, retrieving stats, adding suppressions etc. All Sub-Account API operations need to pass X-SubAccount-ApiKey header with every API call. The Account API operations allow users to manage multiple sub-accounts and manage IPs. A single parent SendPost account can have 100's of sub-accounts. You may want to create sub-accounts for different products your company is running or to segregate types of emails or for managing email sending across multiple customers of yours. # SMTP Reference Simple Mail Transfer Protocol (SMTP) is a quick and easy way to send email from one server to another. SendPost provides an SMTP service that allows you to deliver your email via our servers instead of your own client or server. This means you can count on SendPost's delivery at scale for your SMTP needs. ## Integrating SMTP 1. Get the SMTP `username` and `password` from your SendPost account. 2. Set the server host in your email client or application to `smtp.sendpost.io`. This setting is sometimes referred to as the external SMTP server or the SMTP relay. 3. Set the `username` and `password`. 4. Set the port to `587` (or as specified below). ## SMTP Ports - For an unencrypted or a TLS connection, use port `25`, `2525` or `587`. - For a SSL connection, use port `465` - Check your firewall and network to ensure they're not blocking any of our SMTP Endpoints. SendPost supports STARTTLS for establishing a TLS-encrypted connection. STARTTLS is a means of upgrading an unencrypted connection to an encrypted connection. There are versions of STARTTLS for a variety of protocols; the SMTP version is defined in [RFC 3207](https://www.ietf.org/rfc/rfc3207.txt). To set up a STARTTLS connection, the SMTP client connects to the SendPost SMTP endpoint `smtp.sendpost.io` on port 25, 587, or 2525, issues an EHLO command, and waits for the server to announce that it supports the STARTTLS SMTP extension. The client then issues the STARTTLS command, initiating TLS negotiation. When negotiation is complete, the client issues an EHLO command over the new encrypted connection, and the SMTP session proceeds normally. If you are unsure which port to use, a TLS connection on port 587 is typically recommended. ## Sending email from your application ```javascript "use strict"; const nodemailer = require("nodemailer"); async function main() { // create reusable transporter object using the default SMTP transport let transporter = nodemailer.createTransport({ host: "smtp.sendpost.io", port: 587, secure: false, // true for 465, false for other ports auth: { user: "" , // generated ethereal user pass: "", // generated ethereal password }, requireTLS: true, debug: true, logger: true, }); // send mail with defined transport object try { let info = await transporter.sendMail({ from: '[email protected]', to: '[email protected]', subject: 'Test Email Subject', html: 'Hello Geeks!!!', }); console.log("Message sent: %s", info.messageId); } catch (e) { console.log(e) } } main().catch(console.error); ``` For PHP ```php