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OOREP is an acronym for open online repertory for homeopathy. That is, it lets users look up categories in homeopathic repertories. This git repository consists of its (mainly) Scala source code. A running version of it, however, can also be found at https://www.oorep.com/.

Current status / what's new

Besides the aforementioned homepage, check out the NEWS file for the latest development updates.

Running the program

You can choose between the following two different methods in order to get OOREP up and running on your own machine.

Method 1: By using ready-made Docker images (recommended method)

Prerequisite

  • You have the commands docker and docker-compose available on your machine.

Pull and start the Docker images from Dockerhub

But first, clone OOREP's source code repository from here. Afterwards change into the docker subdirectory of your then local source code repository and execute the following two commands one after another:

$ docker-compose pull
$ docker-compose up

Depending on your Internet connection, those commands may take a while to complete. When all is done, you should be able to point your web browser to http://localhost:9000 and see OOREP's landing page. Needless to say, those images are test-only and are not intended for any production environments or the like without further modifications.

Method 2: By building the project from scratch (for experts only)

Prerequisites

  • Java SDK >= 8 (tested with version 11)
  • Scala Build Tool SBT >= 1.3.0 (tested with 1.3.4)
  • A PostgreSQL database server >= 9.6 (tested with versions 11.x)

Before executing SBT, the database (which is provided here as an SQL dump) needs to be up and running and PostgreSQL's pgcrypto-extension created (e.g., as super-user postgres, issue the command CREATE EXTENSION pgcrypto; on the OOREP-database). The database needs to be named 'oorep' and the PostgreSQL-user owning it, 'oorep_user'. Also, you will need to define the following environment variables:

  • $OOREP_APP_PROTOCOL: usually either http or https
  • $OOREP_APP_HOSTNAME: the part that follows $OOREP_APP_PROTOCOL, such as www, for example, or any other hostname
  • $OOREP_APP_PORT: port of application server (normally 9000), but should only be set if application server is directly used (i.e., do not set when using a reverse proxy!)
  • $OOREP_APP_DOMAIN: your domain name, e.g., oorep.com, but do not set when, for example, you're merely using localhost as hostname
  • $OOREP_APP_SECRET: application-specific password you need to set if you run the application server using https instead of http (which I don't, since I use a reverse proxy that does end-to-end encryption)
  • $OOREP_DB_NAME: name of your PostgreSQL database; set to oorep, unless you know better!
  • $OOREP_DB_USER: name of your PostgreSQL database user; set to oorep_user, unless you know better!
  • $OOREP_DB_PASS: password of your PostgreSQL database; for test-environments, use the one from within the docker directory of this repository, unless you know better!
  • $OOREP_DB_HOST: full hostname of DB-server (e.g., localhost or db.oorep.com)
  • $OOREP_DB_PORT: port of DB-server (usually 5432)
  • $OOREP_URL_LOGOUT: right now only mandatory if authentication is used: the URL which users must click on in order to logout of OOREP (usually your logout binding of an accompanying (SAML) Service Provider)
  • $OOREP_MAIL_SERVER: right now only mandatory if authentication is used: hostname of your SMTP server to send password reset mails (e.g., mail.server.com)
  • $OOREP_MAIL_USER: right now only mandatory if authentication is used: username on your SMTP server
  • $OOREP_MAIL_PASS: right now only mandatory if authentication is used: password for that username on your SMTP server

Check backend/conf/application.conf for their respective use, and make other adjustments as you see fit there (especially if you alter the domain variable). Also be sure these variables are set before attempting to execute the OOREP code using SBT.

Recommended external libraries

It is strongly recommended to also download the following external JavaScript libraries and fonts:

For your convenience, an archived package with the respective versions is available here. It should be unpacked and then placed inside backend/public/html within the main OOREP directory. (For OOREP versions < 0.11, you should use this file instead.)

Compiling and running

When you're content with your setup, OOREP, a Play application written in Scala, can be run like any other using SBT's targets run or compile. Be sure, the database is started and available before though. If all went well, the result should then be available at http://localhost:9000/.

You can also build a distribution package of OOREP by first executing compile and then dist in SBT, which will build an executable, backend/target/universal/backend-x.y.z.zip, and which can also be used to run a stand-alone version of the application. This is also how the oorep.com-server is run.

Runtime optimisations

Some queries will be slow, if the database is not optimised. As this is work in progress, the following is a somewhat crude approximation: It is advisable to add the following (and possibly other) indexes to OOREP's database:

create index on rubricremedy (abbrev, remedyid);
create index on rubricremedy (abbrev, rubricid);
create index on rubricremedy (abbrev, rubricid, remedyid);
create index on remedy (nameabbrev, id);
create index on rubric (abbrev, id);

Making user login work

Since version v0.10.0, OOREP no longer provides its own code to handle login and logout of users. Instead, the OOREP application expects the variable X-Remote-User to be set in the HTTP request header then containing the OOREP user-ID. There are various ways to achieve this. In www.oorep.com SAML is used as follows: all calls to OOREP are routed through a SAML service provider which protects calls to /login and /api/sec/... by invoking a SAML identity provider. When the user enters valid credentials to the identity provider, this variable is set and passed back to OOREP's service provider.

For this to work securely, you need to make sure that, indeed, all calls to /login and /api/sec/... are safe-guarded by the service provider, e.g., by adding a <LocationMatch /(login|api/sec/.+)> directive to an Apache2 reverse-proxy (or similar - depending on your setup), which passes such calls on to the service provider before they reach the main OOREP application server.

While to this end www.oorep.com uses a SAML solution, other authentication protocol implementations can also be used. Also, it is probably not easy to get all this to work without using the aforementioned reverse-proxy, although it is not strictly an OOREP requirement.