Self-hosted Bookmark and Archive manager
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Bookmark links and edit its metadata (like title, tags, summary) via web-interface.
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Archive links content in HTML, PDF or full-page PNG format.
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Automatic archival of links to non-html content like pdf, jpg, txt etc..
i.e. Bookmarking links to pdf, jpg etc.. via web-interface will automatically save those files on server.
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Supports archival of media elements of a web-page using third party download managers.
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Directory based categorization of bookmarks
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Automatic tagging of HTML links.
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Automatic summarization of HTML content.
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Special readability mode.
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Search bookmarks according to url, title, tags or summary.
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Supports multiple user accounts.
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Supports public and group directory for every user.
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Upload any file from web-interface for archiving.
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Easy to use admin interface for managing multiple users.
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Import bookmarks from Netscape Bookmark HTML file format.
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Supports streaming of archived media elements.
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Annotation support for both HTML, its readable version.
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Annotation support for both archived and uploaded pdf/epub files.
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Remembers last read position of html (and its readable version), pdf and epub.
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Rudimentary support for adding custom note.
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First make sure that python 3.9+ (recommended version is 3.10+) is installed on system and install following packages using native package manager.
1. virtualenv 2. ~wkhtmltopdf (for html to pdf/png conversion)~ deprecated from v4.0+ due to security vulnerability. * [hlspy](https://github.com/kanishka-linux/hlspy) is now default headless browser which is based on QTWebEngine. 3. hlspy (mandatory from v4.0+) 4. redis-server 5. chromium (optional from v0.2+) 6. PyQt5 7. PyQtWebEngine -
Installation of above dependencies in Arch or Arch based distros
$ sudo pacman -S python-virtualenv redis chromium python-pyqt5 qt5-webengine python-pyqtwebengine -
Installation of above dependencies in Debian or Ubuntu based distros
$ sudo apt install virtualenv redis-server chromium-browser python3-pyqt5 python3-pyqt5.qtwebengine -
Install
hlspy$ sudo pip3 install git+https://github.com/kanishka-linux/hlspy
Note: Name of above dependencies may change depending on distro or OS, so install accordingly. Once above dependencies are installed, execute following commands, which are distro/platform independent.
$ mkdir reminiscence
$ cd reminiscence
$ virtualenv -p python3 venv
$ python3 -m venv venv (for python3.10+)
$ source venv/bin/activate
$ cd venv
$ git clone https://github.com/kanishka-linux/reminiscence.git
$ cd reminiscence
$ source hlspy.env
$ pip install -r requirements.txt
$ mkdir logs archive tmp
$ python manage.py generatesecretkey
$ python manage.py nltkdownload
$ python manage.py migrate
$ python manage.py createsuperuser
$ python manage.py runserver 0.0.0.0:8000
open 0.0.0.0:8000 using any browser, login and start adding links
**Note:** replace localhost address with local ip address of your server
to access web-interface from anywhere on the local network
Admin interface available at: /admin/
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Generating PDFs and PNGs are resource intesive and time consuming. We can delegate these tasks to celery, in order to execute them in the background.
Edit reminiscence/settings.py file and set `USE_CELERY = True` -
Now open another terminal in the same topmost project directory and execute following commands:
$ sudo systemctl start redis-server $ cd venv $ source bin/activate $ cd venv/reminiscence $ source hlspy.env $ celery -A reminiscence worker --loglevel=info -c 4 --detach
Note: Following procedure may not work exactly from v4.0+. The dockerfiles have been updated but it is possible that users may still face some issues, so they are advised to make changes in respective Dockerfile or docker-compose as required.
Using docker is convenient compared to normal installation method described above. It will take care of configuration and setting up of gunicorn, nginx and also postgresql database along with redis and worker. (Setting and running up these three things can be a bit cumbersome, if done manually, which is described below in separate section.) It will also automatically download headless browser hlspy and nltk data set, apart from installing python based dependencies.
Note: from v4.0+, wkhtmltopdf is replaced with hlspy. Users are advised to migrate to v4.0 due to security vulnerability in wkhtmltopdf. If users are finding it difficult to migrate then they should atleast disable automatic pdf/png generation of a web-page for older reminiscence version and use chromium instead manually for pdf generation.
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Install docker and docker-compose
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Enable/start docker service. Instructions for enabling docker might be different in different distros. Sample instruction for enabling/starting docker will look like
$ systemctl enable/start docker.service -
clone github repository and enter directory
$ git clone https://github.com/kanishka-linux/reminiscence.git $ cd reminiscence -
build and start
$ sudo docker-compose up --build Note: Above instruction will take some time when executed for the first time. -
Above step will also create default user: 'admin' with default password: 'changepassword'
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If IP address of server is '192.168.1.2' then admin interface will be available at
192.168.1.2/admin/ Note: In this method, there is no need to attach port number to IP address. -
Change default admin password from admin interface and create new regular user. After that logout, and open '192.168.1.2'. Now login with regular user for regular activity.
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For custom configuration, modify nginx.conf and dockerfiles available in the repository. After that execute step 4 again.
Note: If Windows users are facing problem in mounting data volume for Postgres, they are advised to refer this issue.
Note: Ubuntu 16.04 users might have to modify docker-compose.yml file and need to change version 3 to 2. issue
Note: For setting celery inside docker follow these instruction. Sometimes gunicorn doesn't work properly with default background task handler inside docker. In such cases users can enable celery.
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Creating Directory
Users first have to create directory from web interface.
Note: Currently '/' and few other special characters are not allowed as characters in directory name. If users are facing problem when accessing directory, then they are advised to rename directory and remove special characters.
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Adding Links
Users have to navigate to required directory and then need to add links to it. URLs are fetched asynchronously from the source for gathering metadata initially. Users have to wait for few seconds, after that page will refresh automatically showing new content. It may happen, nothing would show up after automatic page refresh (e.g. due to slow URL fetching) then try refreshing page manually by clicking on directory entry again. Maybe in future, I will have to look into django channels and websockets to enable real-time duplex communication between client and server.
This feature has been implemented using NLTK library. The library has been used for proper tokenization and removing stopwords from sentence. Once stopwords are removed, top K high frequency words (where value of K is decided by user) are used as tags. In order to generate summary of HTML content, score is alloted to a sentence based on frequency of non-stopwords contained in it. After that highests score sentences (forming 1/3'rd of total content) are used to generate summary. It is one of the simplest methods for automatic tagging and summarization, hence not perfect. It can't tag group of meaningful words. e.g. It will not consider 'data structure' as a single tag. Supporting multi-word tags is in TODO list of the project.
About summarization, there are many advance methods which may give even more better results, which users can find in this paper. Both these feature needs to be activated from Settings box. It is off by default.
Once user will open link using inbuilt reader, the application will try to present text content, properly formatted for mobile devices whenever possible. In reader mode user will also find options Original, PDF and PNG, at the top header. These options will be available only when user has archived the link in those formats. Options for selecting archive file format is available in every user's Settings box. If Original, format is selected then users can see the text content along with original stylesheet and linked images. Javascript will be removed from original file format due to security reasons. If page can't be displayed due to lack of javascript then users have to depend on either PDF or full-page PNG formats.
PDF and full-page screenshot in PNG format of HTML page will be generated using wkhtmltopdf. It is headless tool but in some distro it might not be packaged with headless feature. In such cases, users have to run it using Xvfb. In order to use it headlessly using Xvfb, set USE_XVFB = True in reminiscence/settings.py file and then install xvfb using command line.
Note: Use Xvfb, only when wkhtmltopdf is not packaged with headless feature.
Note: Alternatively Users can also download official headless wkhtmltopdf for their resepctive distro/OS from here. Only problem is that, users will have to update the package manually on their own for every new update.
Why not use Headless Chromium?
Currently headless chromium doesn't support full page screenshot, otherwise I might have used it blindly. There is another headless browser hlspy, based on QtWebEngine, which I built for my personal use. hlspy can generate entire html content, pdf document and full page screenshot in one single request and that too using just one single process. In both chromium and wkhtmltopdf, one has to execute atleast two separate processes for doing the same thing. The main problem with hlspy is that it is not completely headless, it can't run without X. It requires xvfb for running in headless environment.
In future, I'll try to provide a way to choose between different backends (i.e. chromium, wkhtmltopdf or hlspy) for performing these tasks.
Note: From v0.2+ onwards, support for headless Chromium has been added for generating HTML and PDF content. Users can use this feature if default archived content has some discrepancies. Users need to install Chromium to use this feature.
Note: This feature is available from v0.2+ onwards
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In settings.py file add your favourite download manager to DOWNLOAD_MANAGERS_ALLOWED list. Default are curl and wget. In case of docker based method users have to make corresponding changes in dockersettings.py file. For large arbitrary files with direct download links, curl and wget are good enough. For complex use cases users will need something like youtube-dl, which they have to install and manage on their own and needs to be added to the DOWNLOAD_MANAGERS_ALLOWED list.
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open web-interface settings box and add command to Download Manager Field:
ex: wget {iurl} -O {output} iurl -> input url output -> output path OR ex: youtube-dl {iurl} -o {output} -
Users should not substitute anything for {iurl} and {output} field, they should be kept as it is. In short, users should just write regular command with parameters and leave the {iurl} and {output} field untouched. (Note: do not even remove curly brackets).
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Reminiscence server will take care of setting up of input url i.e. {iurl} and output path field i.e. {output}.
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If user is using youtube-dl as a download manager, then it is advisable to install ffmpeg along with it. In this case user has to take care of regular updating of youtube-dl on their own. In docker based installation, users have to add installation instructions for ffmpeg in Dockerfile; and then need to modify requirements.txt and add youtube_dl as dependency.
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Web-interface settings box also contains, streaming option. If this option is enabled, then HTML5 compliant media files can be played inside browsers, otherwise they will be available for download on the client machine.
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If users are upgrading from older version then they are advised to apply database migration using following commands, before using new features:
python manage.py makemigrations python manage.py migrate -
Finally, when adding url to any directory just prepend md: to url, so that the particular entry will be recognized by custom download manager.
ex=> md:https://some-website-with-media-link.org/media-link Every entry added by this way will be treated as containing media or single arbitrary file with direct download link. -
Archived files are normally saved in archive folder. Users can change location of this folder via settings.py file. Users should note that in order to archive media files, the archive location should not contain any space. e.g. archive location '/home/user/my downloads/archive' is not allowed. However location without space '/home/user/my_downloads/archive' is allowed.
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By default, archived media links are not shared with anyone. However, users can create public links for some fixed time. Once a public link has been created, it will remain valid for 24 hours. Users can change this value by changing value of VIDEO_ID_EXPIRY_LIMIT in settings.py. These public links are also useful for playing non-HTML5 compliant archived media on regular media players like mpv/mplayer/vlc etc..It is also possible to generate a playlist in m3u format for a directory containing media links, which can be played by any popular media player.
This is the latest feature and available from v0.3+ onwards. This feature allows addition, deletion and modification of annotation.
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Users can annotate archived HTML page, its readable version and also pdf version.
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Users can also annotate archived or uploaded pdf/epub files.
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The application will remember last read position of html, pdf and epub.
Annotation support works well on desktop browsers. On mobile, this feature works mostly on firefox (for annotating html/pdf/epub).
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Higlight text -> an annotation balloon will popup -> click on it -> add/save comment.
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Click on the
backbutton, at the bottom right corner to save last read position and go back to previous page.
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Double tapon starting word from where you want to highlight -> Selection markers will appear (and annotation balloon too but don't tap on it) -> Drag the end of selection marker to the desired end point -> nowsingle tapat the last word -> an annotation balloon will popup -> tap on the balloon -> add/save comment. -
Click on the
backbutton, at the bottom right corner to save last read position and go back to previous page.
How these featues have been implemented?
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for annotation annotator.js has been used at the client side.
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PDFs are displayed using pdf.js within browser, on which annotation layer is applied using
annotator.js. -
EPUBs are displayed using epub.js within browser, on which annotation layer is applied using
annotator.js -
annotation data for each file and the last read position is saved at the backend.
Reminiscence uses Django Rest Framework for exposing few functionalities via REST endpoints (available from v0.3+ onwards).
Following are few examples of API usage using cURL
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Login and get auth token (POST)
/restapi/login/$ curl -d username=mypy -d password=foobarbaz http://127.0.0.1:8000/restapi/login/
Token obtained with above request needs to be passed to every subsequent request header. We'll call the token as AUTHTOKEN for rest of the examples.
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Add url to Reminiscence instance in a specific directory (POST)
/restapi/add-url/$ curl -H "Authorization: Token AUTHTOKEN" -d url="https://mr.wikipedia.org" -d media_link=no -d directory="/Wiki/Marathi" http://127.0.0.1:8000/restapi/add-url/ -
List all urls added to a specific directory (POST)
/restapi/list-added-urls/$ curl -H "Authorization: Token AUTHTOKEN" -d directory="/Wiki" http://127.0.0.1:8000/restapi/list-added-urls/ -
List all directories (GET)
/restapi/list-directories/$ curl -H "Authorization: Token AUTHTOKEN" http://127.0.0.1:8000/restapi/list-directories/ -
Logout and remove token (GET)
/restapi/logout/$ curl -H "Authorization: Token AUTHTOKEN" http://127.0.0.1:8000/restapi/logout/
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When running all tests exlude async tests. Async tests need to run separately.
$ python manage.py test --exclude-tag=async -
Only tests_drf.py file contains async test, so run it separately.
$ python manage.py test tests.tests_drf
From v0.3 onwards, users can add arbitrary note to their collection. Support for note taking is rudimentary and provides note taking using simple WYSIWYG editor.
For adding note use following command in the input url box:
note:New note
above command will create *New note* in the current folder
By default, all directories and all links are private and are not shared with anyone. However, users can select one public directory and one group directory from all available directories for sharing links. User can set public and group directory via settings. Links placed in public directory will be available for public viewing and links placed in group directory will be available for pre-determined list of users selected by account holder.
Public links of a user can be accesed at the url:
/username/profile/public
Group links of a user can be accesed by pre-determined group of users at the url:
/username/profile/group
Bookmarks can be searched according to title, url, tag or summary by using search menu available at the top most navigation bar. By default bookmarks will be searched according to title. In order to search according to url, tag or summary, users have to prefix url:, tag:, or sum: to the search term, in the search box.
Note: Special search prefix tag-wall: will display all available tags.
By default, reminiscence uses sqlite database, but users can replace it with any database supported by django ORM like postgresql. Some simple instructions for using postgresql with django are available here . Users can also take a look at this wiki, for proper postgresql database setup. There might be some changes in the instructions depending on the OS and distributions you are using.
reminiscence folder contains three settings files
1. settings.py
2. defaultsettings.py
3. dockersettings.py
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In normal installation procedure, settings.py file is used. If user will make changes in it then those changes will be reflected in normal installation method.
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In docker based method dockersettings.py file is used. Settings of this file will be copied during docker installation method.
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defaultsettings.py is the backup file. If user has somehow corrupted settings files while manually editing, then original settings can be restored using this file.
(optional)
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Install gunicorn, if not installed. (pip install gunicorn)
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Instead of using python manage.py runserver command as mentioned in above installation instructions use following command. Users can change parameters according to need. Only make sure to keep value of timeout argument somewhat bigger. Larger timeout value is useful, if upload speed is slow and user want to upload relatively large body from web-interface.
$ gunicorn --max-requests 100 --worker-class gthread --workers 2 --thread 5 --timeout 300 --bind 0.0.0.0:8000 reminiscence.wsgi -
Install nginx using native package manager of distro and then make adjustments to nginx config files as given below. Following is sample configuration. Adjust it according to need, but pay special attention to proxy_read_timeout and client_max_body_size variables. Incorrect value of these two variables can make upload from web-interface impractical.
worker_processes 2; events { worker_connections 1024; } http { include mime.types; default_type application/octet-stream; sendfile on; sendfile_max_chunk 512k; keepalive_timeout 65; proxy_read_timeout 300s; server { listen 80; server_name localhost; client_max_body_size 1024m; location /static/ { root /home/reminiscence/venv/reminiscence; # root of project directory aio threads; } location = /favicon.ico { access_log off; log_not_found off; } location / { proxy_pass http://127.0.0.1:8000; proxy_set_header Host $host; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; root /home/reminiscence/venv/reminiscence; #root of project directory } error_page 500 502 503 504 /50x.html; location = /50x.html { root /usr/share/nginx/html; } } } -
Once nginx config file is properly configured, start/enable nginx.service. For detailed instructions take a look at this tutorial or refer this wiki. There are some barebone instructions available here, which users might find useful.
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When using gunicorn as web server and nginx as reverse proxy, it is necessary to add static files of admin interface to the static folder. Otherwise, admin interface won't render properly. Users can do it manually. Or alternatively, they can modify setting.py file and add
STATIC_ROOT = os.path.join(BASE_DIR, "static")
to it. After that collect staticfiles using command
$ python manage.py collectstatic
Once staticfiles of admin have been collected in the static folder, users should remove STATIC_ROOT from settings.py, before running the web server.
Till few years back, I used to think that once something has been published on the web, it is going to remain there forever in some form or other. But web of today is different. Now we never know, when some valuable web resource (like web-pages, images, text, pdf etc...) will disappear from the web completely. There might be variety of reasons for disappearance (e.g. author of resource lost interest in maintaining it, low traffic or some other political-economic reasons). I don't want to go into details, but there are plenty of reasons due to which web-resource that we savoured in the past, might become un-available in the future. If we are lucky, then we may find mirrors of popular sites of the past, archived by volunteers. But, the same can't be said true of obscure and rare web content. So, I decided to develop Reminiscence for saving personal memories of the web effectively and in a well organized manner, which somehow turned into a hybrid of bookmark manager and personal wayback machine.
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