IPFS-Store

IPFS-Store is a search engine opensource tool aiming to collect, store and index data on the IPFS network. This is a convenient solution for any applications requiring content discovery (conditional queries or full text search with fuzziness) in a set of IPFS files. This service also offers extra-features for you IPFS environment such as multi-pinning (replication), smart contract event listening (wip).

IPFS-Store can be deployed as a simple, scalable and configurable API and comes with client libraries (Java, JavaScript) to easily integrate it in an application.

A request requires the following the information:

a payload (JSON or multipart file) - stored on IPFS
some metadata (index fields) - indexed on a search engine alongside the payload IPFS hash

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes.

Docker

Prerequisites

IPFS-Store depends of two components:

an IPFS node (go or js implementation)
a search engine (currently only ElasticSearch is supported)

Create a virtual network

Let's create a private Docker network to make our containers able to communicate together.

$ docker network create ipfs-store-network

Start IPFS daemon

Start an IPFS daemon to join the IPFS network and expore the port 4001 (peer2p networking) and 5001(API)

$ docker run -d --name ipfs -v /path/to/ipfs/export:/export -v /path/to/ipfs/data:/data/ipfs -p :4001:4001 -p :5001:5001 ipfs/go-ipfs:latest

Start ElasticSearch

Start ElasticSearch database used as a content indexer.

$ docker run -d --name elasticsearch -v /path/to/elasticsearch:/data/elasticsearch -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" --net ipfs-store-network docker.elastic.co/elasticsearch/elasticsearch:6.5.0

Start IPFS-Store

Finally we can run IPFS-Store using the port 8040.

$ docker run --name ipfs_store -p 8040:8040 -e IPFS_HOST=ipfs -e ELASTIC_HOST=elasticsearch --net ipfs-store-network  gjeanmart/ipfs-store

A docker-compose file can also be used to start IPFS-Store and its dependencies.

To stop the containers, run $ docker stop ipfs elasticsearch ipfs_store.

From the source

Prerequisites

Java 8
Maven
For elasticsearch, set vm.max_map_count to at least 262144 on the host

Build

After checking out the code, navigate to the root directory

$ cd /path/to/ipfs-store/ipfs-store-service/

Compile, test and package the project

$ mvn clean package

Run the project

$ export IPFS_HOST=localhost
$ export IPFS_PORT=5001
$ export ELASTIC_HOST=localhost
$ export ELASTIC_PORT=9300
$ export ELASTIC_CLUSTERNAME=elasticsearch

$ java -jar target/ipfs-store-exec.jar

API Documentation

Overview

Persistence

Represents the writting operations.

Raw

Enable to store any kind of content. The API uses HTTP multipart to sent the data or file over the request.

Operation	Description	Method	URI
store	Store raw content into IPFS	POST	/ipfs-store/raw/store
index	Indexraw content	POST	/ipfs-store/raw/index
store_index	Store & Index raw content	POST	/ipfs-store/raw/store_index

JSON

Enable to store JSON document.

Operation	Description	Method	URI
store	Store json content into IPFS	POST	/ipfs-store/json/store
index	Index json content	POST	/ipfs-store/json/index
store_index	Store & Index json content	POST	/ipfs-store/json/store_index

Query

Represents the read operations.

Operation	Description	Method	URI
fetch	Get content	GET	/ipfs-store/query/fetch/{hash}
search	Search content	POST	/ipfs-store/query/search
search	Search content	GET	/ipfs-store/query/search

Configuration

Represents the configuration operations.

Operation	Description	Method	URI
create_index	Create an index in ElasticSearch	POST	/ipfs-store/config/index/{index}

WIKI: API-Documentation

Details

[Persistent / Raw] Store content

Store a content (any type) in IPFS

URL: /ipfs-store/raw/store
Method: POST
Header: N/A
URL Params: N/A
Data Params:
- file: [content]
Sample Request:

$ curl -X POST \
    'http://localhost:8040/ipfs-store/raw/store' \
    -F 'file=@/home/gjeanmart/hello.pdf'

Success Response:
- Code: 200
  Content:

{
    "hash": "QmWPCRv8jBfr9sDjKuB5sxpVzXhMycZzwqxifrZZdQ6K9o"
}

[Persistent / Raw] Index content

Index IPFS content into the search engine

URL /ipfs-store/raw/index
Method: POST
Header:

Key	Value
content-type	application/json

URL Params N/A
Data Params
- request:

Name	Type	Mandatory	Description
index	String	yes	Index name
id	String	no	Identifier of the document in the index. id null, autogenerated
content_type	String	no	Content type (MIMETYPE)
hash	String	yes	IPFS Hash of the content
index_fields	Key/Value[]	no	Key/value map presenting IPFS content metadata

{
  "index": "documents", 
  "id": "hello_doc",
  "content_type": "application/pdf",
  "hash": "QmWPCRv8jBfr9sDjKuB5sxpVzXhMycZzwqxifrZZdQ6K9o",
  "index_fields": [
    {
      "name": "title",
      "value": "Hello Doc"
    }, 
    {
      "name": "author",
      "value": "Gregoire Jeanmart"
    }, 
    {
      "name": "votes",
      "value": 10
    }, 
    {
      "name": "date_created",
      "value": 1518700549
    }
  ]
}

Sample Request:

curl -X POST \
    'http://localhost:8040/ipfs-store/raw/index' \
    -H 'content-type: application/json' \  
    -d '{"index":"documents","id":"hello_doc","content_type":"application/pdf","hash":"QmWPCRv8jBfr9sDjKuB5sxpVzXhMycZzwqxifrZZdQ6K9o","index_fields":[{"name":"title","value":"Hello Doc"},{"name":"author","value":"Gregoire Jeanmart"},{"name":"votes","value":10},{"name":"date_created","value":1518700549}]}'

Success Response:
- Code: 200
  Content:

{
    "index": "documents",
    "id": "hello_doc",
    "hash": "QmWPCRv8jBfr9sDjKuB5sxpVzXhMycZzwqxifrZZdQ6K9o"
}

[Persistent / Raw] Store & Index content

Store content in IPFS and index it into the search engine

URL /ipfs-store/raw/store_index
Method: POST
Header: N/A
URL Params N/A
Data Params
- file: [content]
- request:

Name	Type	Mandatory	Description
index	String	yes	Index name
id	String	no	Identifier of the document in the index. id null, autogenerated
content_type	String	no	Content type (MIMETYPE)
index_fields	Key/Value[]	no	Key/value map presenting IPFS content metadata

{
  "index": "documents", 
  "id": "hello_doc",
  "content_type": "application/pdf",
  "index_fields": [
    {
      "name": "title",
      "value": "Hello Doc"
    }, 
    {
      "name": "author",
      "value": "Gregoire Jeanmart"
    }, 
    {
      "name": "votes",
      "value": 10
    }, 
    {
      "name": "date_created",
      "value": 1518700549
    }
  ]
}

Sample Request:

curl -X POST \
  http://localhost:8040/ipfs-store/raw/store_index \
  -H 'content-type: multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW' \
  -F file=@/home/gjeanmart/hello.pdf \
  -F 'request={"index":"documents","id":"hello_doc","content_type":"application/pdf","index_fields":[{"name":"title","value":"Hello Doc"},{"name":"author","value":"Gregoire Jeanmart"},{"name":"votes","value":10},{"name":"date_created","value":1518700549}]}'

Success Response:
- Code: 200
  Content:

{
    "index": "documents",
    "id": "hello_doc",
    "hash": "QmWPCRv8jBfr9sDjKuB5sxpVzXhMycZzwqxifrZZdQ6K9o"
}

[Persistent / JSON] Store content

Store a JSON document in IPFS

URL: /ipfs-store/json/store
Method: POST
Header:

Key	Value
content-type	application/json

URL Params: N/A
Data Params:
- payload: {json}

Name	Type	Mandatory	Default	Description
payload	JSON	yes		JSON Document to store

Sample Request:

$ curl -X POST \
    'http://localhost:8040/ipfs-store/json/store' \
    -H 'Content-Type: application/json' \
    -d '{
      "field1": "val1",
      "field2": 10,
      "field3": {
          "test": true
      }
    }'

Success Response:
- Code: 200
  Content:

{
    "hash": "QmdUNaxwiGT7fzdt6gVpMDFAmjf7dDxMwux16o4s1HyCnD"
}

[Persistent / JSON] Index content

Index IPFS JSON document into the search engine

URL /ipfs-store/json/index
Method: POST
Header:

Key	Value
content-type	application/json

URL Params N/A
Data Params
- request:

Name	Type	Mandatory	Description
index	String	yes	Index name
id	String	no	Identifier of the document in the index. id null, autogenerated
content_type	String	no	Content type (MIMETYPE)
hash	String	yes	IPFS Hash of the content
index_fields	Key/Value[]	no	Key/value map presenting IPFS content metadata

{
  "index": "json_documents", 
  "id": "json_doc",
  "content_type": "application/json",
  "hash": "QmdUNaxwiGT7fzdt6gVpMDFAmjf7dDxMwux16o4s1HyCnD",
  "index_fields": [
    {
      "name": "field1",
      "value": "val1"
    }, 
    {
      "name": "external_field",
      "value": 10
    }, 
    {
      "name": "date_created",
      "value": 1518700549
    }
  ]
}

Sample Request:

curl -X POST \
    'http://localhost:8040/ipfs-store/json/index' \
    -H 'content-type: application/json' \  
    -d '{"index":"json_documents","id":"json_doc","content_type":"application/json","hash":"QmdUNaxwiGT7fzdt6gVpMDFAmjf7dDxMwux16o4s1HyCnD","index_fields":[{"name":"field1","value":"val1"},{"name":"external_field","value":10},{"name":"date_created","value":1518700549}]}'

Success Response:
- Code: 200
  Content:

{
    "index": "json_documents",
    "id": "json_doc",
    "hash": "QmdUNaxwiGT7fzdt6gVpMDFAmjf7dDxMwux16o4s1HyCnD"
}

[Persistent / JSON] Store & Index content

Store a JSON document in IPFS and index it into the search engine

URL /ipfs-store/json//store_index
Method: POST
Header:

Key	Value
content-type	application/json

URL Params N/A
Data Params
- payload: {json}

Name	Type	Mandatory	Default	Description
payload	JSON	yes		JSON Document to store

-   `request: `

Name	Type	Mandatory	Description
index	String	yes	Index name
id	String	no	Identifier of the document in the index. id null, autogenerated
content_type	String	no	Content type (MIMETYPE)
index_fields	Key/Value[]	no	Key/value map presenting IPFS content metadata

{
  "payload": {
    "field1": "val1",
    "field2": 10,
    "field3": {
      "test": true
    }
  },
  "index": "json_documents",
  "id": "doc",
  "content_type": "application/json",
  "index_fields": [
      {
        "name": "type",
        "value": "json"
      },
      {
        "name": "title",
        "value": "json_sample"
      }
  ]
}

Sample Request:

curl -X POST \
  http://localhost:8040/ipfs-store/jsonstore_index \
  -H 'content-type: application/json' \
  -d '{
      "payload": {
        "field1": "val1",
        "field2": 10,
        "field3": {
          "test": true
        }
      },
      "index": "json_documents",
      "id": "doc",
      "content_type": "application/json",
      "index_fields": [
          {
            "name": "type",
            "value": "json"
          },
          {
            "name": "title",
            "value": "json_sample"
          }
      ]
  }'

Success Response:
- Code: 200
  Content:

{
    "index": "json_documents",
    "id": "doc",
    "hash": "QmWPCRv8jBfr9sDjKuB5sxpVzXhMycZzwqxifrZZdQ6K9o"
}

[Query] Get content

Get content on IPFS by hash

URL http://localhost:8040/ipfs-store/query/fetch/{hash}
Method: GET
Header: N/A
URL Params N/A
Sample Request:

$ curl \
    'http://localhost:8040/ipfs-store/query/fetch/QmWPCRv8jBfr9sDjKuB5sxpVzXhMycZzwqxifrZZdQ6K9o' \
    -o hello_doc.pdf

Success Response:
- Code: 200
  Content: (file)

[Query] Search contents

Search content accross an index using a dedicated query language

URL http://localhost:8040/ipfs-store/query/search
Method: GET or POST
Header:

Key	Value
content-type	application/json

URL Params

Name	Type	Mandatory	Default	Description
index	String	no		Index to search (if null: all indices)
pageNo	Int	no	0	Page Number
pageSize	Int	no	20	Page Size / Limit
sort	String	no		Sorting attribute
dir	ASC/DESC	no	ASC	Sorting direction
query	String	no		Query URL encoded (for GET call)

Data Params

The search operation allows to run a multi-criteria search against an index. The body combines a list of filters :

Name	Type	Description
name	String	Index field to perform the search
names	String[]	Index fields to perform the search
operation	See below	Operation to run against the index field
value	Any	Value to compare with

Operation	Description
full_text	Full text search
equals	Equals
not_equals	Not equals
contains	Contains the word/phrase
in	in the following list
gt	Greater than
gte	Greater than or Equals
lt	Less than
lte	Less than or Equals

{
  "query": [
    {
      "name": "title",
      "operation": "contains",
      "value": "Hello"
    },
    {
      "names": ["author", "title"],
      "operation": "full_text",
      "value": "Gregoire"
    },
    {
      "name": "votes",
      "operation": "lt",
      "value": "5"
    }
  ]
}

Sample Request:

curl -X POST \
    'http://localhost:8040/ipfs-store/query/search?index=documents' \
    -H 'content-type: application/json' \  
    -d '{"query":[{"name":"title","operation":"contains","value":"Hello"},{"name":"author","operation":"equals","value":"Gregoire Jeanmart"},{"name":"votes","operation":"lt","value":"5"}]}'

curl -X GET \
  'http://localhost:8040/ipfs-store/query/search?index=documents&page=1&size=2&query=%7B%22query%22%3A%5B%7B%22name%22%3A%22votes%22%2C%22operation%22%3A%22lt%22%2C%22value%22%3A%225%22%7D%5D%7D' \
  -H 'Accept: application/json' \
  -H 'Content-Type: application/json' \

Success Response:
- Code: 200
  Content:

{
  "content": [
    {
      "index": "documents",
      "id": "hello_doc",
      "hash": "QmWPCRv8jBfr9sDjKuB5sxpVzXhMycZzwqxifrZZdQ6K9o",
      "content_type": "application/pdf",
      "index_fields": [
        {
          "name": "__content_type",
          "value": "application/pdf"
        },
        {
          "name": "__hash",
          "value": "QmWPCRv8jBfr9sDjKuB5sxpVzXhMycZzwqxifrZZdQ6K9o"
        },
        {
          "name": "title",
          "value": "Hello Doc"
        },
        {
          "name": "author",
          "value": "Gregoire Jeanmart"
        },
        {
          "name": "votes",
          "value": 10
        },
        {
          "name": "date_created",
          "value": 1518700549
        }
      ]
    }
  ]
}
],
"sort": null,
"firstPage": false,
"totalElements": 4,
"lastPage": true,
"totalPages": 1,
"numberOfElements": 4,
"size": 20,
"number": 1
}

[Configuration] Create an index

Create an index in ElasticSearch

URL: /ipfs-store/config/index/{index}
Method: POST
Header:

Key	Value
content-type	application/json

URL Params: N/A
Data Params: N/A
Sample Request:

$ curl -X POST \
    'http://localhost:8040/ipfs-store/config/index/MyIndex' \
    -H 'content-type: application/json'

Success Response:
- Code: 200
  Content: N/A

Advanced Configuration

WIKI: Configuration

Clients

WIKI: Clients

Examples

WIKI: Examples

Name		Name	Last commit message	Last commit date
Latest commit History 287 Commits
.circleci		.circleci
ipfs-store-client		ipfs-store-client
ipfs-store-common		ipfs-store-common
ipfs-store-service		ipfs-store-service
scripts		scripts
.gitignore		.gitignore
LICENSE		LICENSE
README.md		README.md
pom.xml		pom.xml

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IPFS-Store

Getting Started

Docker

Prerequisites

Create a virtual network

Start IPFS daemon

Start ElasticSearch

Start IPFS-Store

From the source

Prerequisites

Build

API Documentation

Overview

Persistence

Raw

JSON

Query

Configuration

Details

[Persistent / Raw] Store content

[Persistent / Raw] Index content

[Persistent / Raw] Store & Index content

[Persistent / JSON] Store content

[Persistent / JSON] Index content

[Persistent / JSON] Store & Index content

[Query] Get content

[Query] Search contents

[Configuration] Create an index

Advanced Configuration

Clients

Examples

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