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Micro Web Crawler in PHP & Manticore
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Yo!

Micro Web Crawler in PHP & Manticore

Yo! is the super thin layer for Manticore search server that extends official manticoresearch-php client with CLI tools and simple JS-less WebUI.

Features

  • MIME-based crawler with flexible filter settings by regular expressions, selectors, external links etc
  • Page snap history with local and remote mirrors support (including FTP protocol)
  • CLI tools for index administration and crontab tasks
  • JS-less frontend to run local or public search web portal
  • API tools to make search index distributed

Components

Install

  1. Install manticore, composer and php
  2. Grab latest Yo version git clone https://github.com/YGGverse/Yo.git
  3. Run composer update inside the project directory
  4. Copy and customize config file cp example/config.json config.json
  5. Make sure storage folder writable
  6. Run indexes initiation script php src/cli/index/init.php
  7. Announce new URL php src/cli/document/add.php URL
  8. Run crawler to grab the data php src/cli/document/crawl.php
  9. Test search results php src/cli/document/search.php '*'

Web UI

  1. cd src/webui
  2. php -S 127.0.0.1:8080
  3. open 127.0.0.1:8080 in browser

Documentation

CLI

Index

Init

Create initial index

php src/cli/index/init.php [reset]
  • reset - optional, reset existing index

Document

Add
php src/cli/document/add.php URL
  • URL - add new URL to the crawl queue
Crawl
php src/cli/document/crawl.php
Clean
php src/cli/document/clean.php
  • remove url duplicates
  • make index optimization
Search
php src/cli/document/search.php '@title "*"' [limit]
  • query - required
  • limit - optional search results limit
Migration
YGGo

Import index from YGGo database

php src/cli/yggo/import.php 'host' 'port' 'user' 'password' 'database' [unique=off] [start=0] [limit=100]

Source DB fields required:

  • host
  • port
  • user
  • password
  • database
  • unique - optional, check for unique URL (takes more time)
  • start - optional, offset to start queue
  • limit - optional, limit queue

Backup

Logical

SQL text dumps could be useful for public index distribution, but requires more computing resources.

Read more

Physical

Better for infrastructure administration and includes original data binaries.

Read more

Instances

Yggdrasil

  • http://[201:23b4:991a:634d:8359:4521:5576:15b7]/yo/ - IPv6 0200::/7 addresses only
  • http://yo.ygg - .ygg domain zone search only

Alfis DNS

  • http://ygg.yo.index - alias of http://yo.ygg

**.yo.index reserved for domain-oriented instances e.g. .btn, .conf, .mirror - feel free to request the address