Merge branch 'SNSv2' into HEAD

This commit is contained in:
Jon-William Lewis
2016-02-15 19:53:18 -06:00
23 changed files with 737 additions and 339 deletions

339
LICENSE
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@@ -1,339 +0,0 @@
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc., <http://fsf.org/>
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Lesser General Public License instead.) You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
this service if you wish), that you receive source code or can get it
if you want it, that you can change the software or use pieces of it
in new free programs; and that you know you can do these things.
To protect your rights, we need to make restrictions that forbid
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These restrictions translate to certain responsibilities for you if you
distribute copies of the software, or if you modify it.
For example, if you distribute copies of such a program, whether
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you have. You must make sure that they, too, receive or can get the
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rights.
We protect your rights with two steps: (1) copyright the software, and
(2) offer you this license which gives you legal permission to copy,
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Finally, any free program is threatened constantly by software
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program proprietary. To prevent this, we have made it clear that any
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The precise terms and conditions for copying, distribution and
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GNU GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
a notice placed by the copyright holder saying it may be distributed
under the terms of this General Public License. The "Program", below,
refers to any such program or work, and a "work based on the Program"
means either the Program or any derivative work under copyright law:
that is to say, a work containing the Program or a portion of it,
either verbatim or with modifications and/or translated into another
language. (Hereinafter, translation is included without limitation in
the term "modification".) Each licensee is addressed as "you".
Activities other than copying, distribution and modification are not
covered by this License; they are outside its scope. The act of
running the Program is not restricted, and the output from the Program
is covered only if its contents constitute a work based on the
Program (independent of having been made by running the Program).
Whether that is true depends on what the Program does.
1. You may copy and distribute verbatim copies of the Program's
source code as you receive it, in any medium, provided that you
conspicuously and appropriately publish on each copy an appropriate
copyright notice and disclaimer of warranty; keep intact all the
notices that refer to this License and to the absence of any warranty;
and give any other recipients of the Program a copy of this License
along with the Program.
You may charge a fee for the physical act of transferring a copy, and
you may at your option offer warranty protection in exchange for a fee.
2. You may modify your copy or copies of the Program or any portion
of it, thus forming a work based on the Program, and copy and
distribute such modifications or work under the terms of Section 1
above, provided that you also meet all of these conditions:
a) You must cause the modified files to carry prominent notices
stating that you changed the files and the date of any change.
b) You must cause any work that you distribute or publish, that in
whole or in part contains or is derived from the Program or any
part thereof, to be licensed as a whole at no charge to all third
parties under the terms of this License.
c) If the modified program normally reads commands interactively
when run, you must cause it, when started running for such
interactive use in the most ordinary way, to print or display an
announcement including an appropriate copyright notice and a
notice that there is no warranty (or else, saying that you provide
a warranty) and that users may redistribute the program under
these conditions, and telling the user how to view a copy of this
License. (Exception: if the Program itself is interactive but
does not normally print such an announcement, your work based on
the Program is not required to print an announcement.)
These requirements apply to the modified work as a whole. If
identifiable sections of that work are not derived from the Program,
and can be reasonably considered independent and separate works in
themselves, then this License, and its terms, do not apply to those
sections when you distribute them as separate works. But when you
distribute the same sections as part of a whole which is a work based
on the Program, the distribution of the whole must be on the terms of
this License, whose permissions for other licensees extend to the
entire whole, and thus to each and every part regardless of who wrote it.
Thus, it is not the intent of this section to claim rights or contest
your rights to work written entirely by you; rather, the intent is to
exercise the right to control the distribution of derivative or
collective works based on the Program.
In addition, mere aggregation of another work not based on the Program
with the Program (or with a work based on the Program) on a volume of
a storage or distribution medium does not bring the other work under
the scope of this License.
3. You may copy and distribute the Program (or a work based on it,
under Section 2) in object code or executable form under the terms of
Sections 1 and 2 above provided that you also do one of the following:
a) Accompany it with the complete corresponding machine-readable
source code, which must be distributed under the terms of Sections
1 and 2 above on a medium customarily used for software interchange; or,
b) Accompany it with a written offer, valid for at least three
years, to give any third party, for a charge no more than your
cost of physically performing source distribution, a complete
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distributed under the terms of Sections 1 and 2 above on a medium
customarily used for software interchange; or,
c) Accompany it with the information you received as to the offer
to distribute corresponding source code. (This alternative is
allowed only for noncommercial distribution and only if you
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The source code for a work means the preferred form of the work for
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If distribution of executable or object code is made by offering
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distribution of the source code, even though third parties are not
compelled to copy the source along with the object code.
4. You may not copy, modify, sublicense, or distribute the Program
except as expressly provided under this License. Any attempt
otherwise to copy, modify, sublicense or distribute the Program is
void, and will automatically terminate your rights under this License.
However, parties who have received copies, or rights, from you under
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infringement or for any other reason (not limited to patent issues),
conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
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License and any other pertinent obligations, then as a consequence you
may not distribute the Program at all. For example, if a patent
license would not permit royalty-free redistribution of the Program by
all those who receive copies directly or indirectly through you, then
the only way you could satisfy both it and this License would be to
refrain entirely from distribution of the Program.
If any portion of this section is held invalid or unenforceable under
any particular circumstance, the balance of the section is intended to
apply and the section as a whole is intended to apply in other
circumstances.
It is not the purpose of this section to induce you to infringe any
patents or other property right claims or to contest validity of any
such claims; this section has the sole purpose of protecting the
integrity of the free software distribution system, which is
implemented by public license practices. Many people have made
generous contributions to the wide range of software distributed
through that system in reliance on consistent application of that
system; it is up to the author/donor to decide if he or she is willing
to distribute software through any other system and a licensee cannot
impose that choice.
This section is intended to make thoroughly clear what is believed to
be a consequence of the rest of this License.
8. If the distribution and/or use of the Program is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Program under this License
may add an explicit geographical distribution limitation excluding
those countries, so that distribution is permitted only in or among
countries not thus excluded. In such case, this License incorporates
the limitation as if written in the body of this License.
9. The Free Software Foundation may publish revised and/or new versions
of the General Public License from time to time. Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the Program
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later version", you have the option of following the terms and conditions
either of that version or of any later version published by the Free
Software Foundation. If the Program does not specify a version number of
this License, you may choose any version ever published by the Free Software
Foundation.
10. If you wish to incorporate parts of the Program into other free
programs whose distribution conditions are different, write to the author
to ask for permission. For software which is copyrighted by the Free
Software Foundation, write to the Free Software Foundation; we sometimes
make exceptions for this. Our decision will be guided by the two goals
of preserving the free status of all derivatives of our free software and
of promoting the sharing and reuse of software generally.
NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
REPAIR OR CORRECTION.
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
{description}
Copyright (C) {year} {fullname}
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
{signature of Ty Coon}, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License.

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README.md Normal file
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Simple Note System
==================
## About
The Simple Note System is a shell script partially inspired by [pass], in that
it stores notes as normal, plaintext, files in normal folders. It uses the
environment-specified editor, and can be configured to use GPG encryption.
SNS was originally conceived one morning during an update to a popular note-taking
app. The thought occurred that a note system need not reinvent the wheel with
its own GUI editor and proprietary file format, but instead could use the tools
already provided by the operating system.
As it developed, OpenSSL encryption was dropped in favor of GPG, and the script
was almost entirely rewritten as SNSv2.
simple note system
==================
usage: sns [-cedp] NAME NOTEBOOK SECTION
sns [-l] NOTEBOOK
sns [-hi]
-c | --create : Create note
-d | --delete : Delete note
-e | --edit : Open note for editing
-h | --help : Display this message
-p | --print : Print note to console
-l | --list : List all notes in NOTEBOOK
-i | --init : Write default config and initalize SNS store"
## Installing
To install, place `sns.sh` in your path, and copy `src/bash-completion/sns`
to `/usr/share/bash-completion/completions/sns`.
Or simply run `./install.sh`.
To uninstall, remove the files you copied, or run `./install.sh --uninstall`
Once installed, SNS will require you to run `sns -i`, to indicate you would like
to create its note store and write its default configuration.
By default, SNS will set itself up in `~/.config/sns`, with `~/.config/sns/sns.conf`
as its configuration file.
## Configuration
In SNS's configuration file, you can change the editor SNS uses, along with
the date format used in notes, and whether or not to use GPG encryption.
**A word about encryption**: Enabling encryption will cause problems if
previously un-encrypted notes exist. In the future, I'd like to resolve these,
however for the time being it's best to decide when you install SNS if you'd
like to enable encryption or not.
## Credits
The majority of the code here is my own, however the bash completion
code comes from [pass], the standard UNIX package manager, along with some
design and feature ideas.
## License
Simple Note System is licensed under the terms of the GNU General Public License
Version 2, as detailed in `LICENSE`.
## Bugs
If something seems off, or just doesn't work, please open an issue and I'll look
into it.
[pass]: http://passwordstore.org

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errors.md Normal file
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# Simple Note System, version 2
## Error Code Reference
### General Codes
| Name | Code | Meaning |
|--------------|------|---------------------------------------|
| ERR_NO_STORE | 5 | the SNS store needs to be initialized |
| ERR_NO_ARGS | 10 | No arguments were specified |
| ERR_NO_OP | 20 | No operation was specified |
| ERR_NO_NOTE | 30 | A required argument was not provided |
### Encryption-related codes
|Name | Code | Meaning |
|------------|------|-------------------------------------------------------|
| ERR_NO_GPG | 100 | Encryption is enabled, but GPG is not installed |
| ERR_NO_KEY | 110 | Encryption is enabled, but no recipient was specified |
### Creation-related codes
|Name | Code | Meaning |
|-----------------|------|-----------------------------------|
| ERR_NOTE_EXiSTS | 200 | The specified note already exists |
| ERR_NOTE_NO_READ| 205 | The specified note cannot be read |

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header.sh Normal file
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PROD_STR="Simple Note System"
VER_STR="v2.0a9"
YEAR=2016
cat << EOF
#!/bin/bash
# Simple Note System
# Copyright (C) 2016, Jon Lewis
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
# Prevent freak accidents involving the root directory
if [ -z "\$HOME" ]; then HOME=/home/"\$(whoami)"; fi
# Store files and locations
readonly PROD_STR="$PROD_STR"
readonly VER_STR="$VER_STR"
readonly ROOT_DIR="\$HOME"/.config/sns
readonly NOTES_DIR="\$ROOT_DIR"/notes
readonly TMP_DIR="\$ROOT_DIR"/tmp
readonly CONFIG_FILE="\$ROOT_DIR/sns.conf"
#Color codes for error reporting
readonly RED_COLOR='\033[1;31m'
readonly RESET_COLOR='\033[0m'
#Print the program header to stdout
printf "%s\n" "\$PROD_STR"
printf "%s\n" "------------------"
EOF

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install.sh Executable file
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#!/bin/bash
# Simple Note System - Install Script
# Copyright (C) 2016, Jon Lewis
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
if [ "$1" == "--uninstall" ]; then
rm /bin/sns
rm /usr/share/bash-completion/completions/sns
exit
fi
mkdir build
S=build/sns.sh
bash header.sh > "$S"
echo -e "\n# Section: Functions" >> "$S"
cat ./src/includes/init_store.sns.sh >> "$S"
cat ./src/includes/verify_store.sns.sh >> "$S"
cat ./src/includes/help.sns.sh >> "$S"
cat ./src/includes/p_header.sh >> "$S"
cat ./src/includes/libencryption.sns.sh >> "$S"
cat ./src/includes/create.sns.sh >> "$S"
cat ./src/includes/delete.sns.sh >> "$S"
cat ./src/includes/edit.sns.sh >> "$S"
cat ./src/includes/print.sns.sh >> "$S"
cat ./src/includes/list.sns.sh >> "$S"
printf "%s\n" "# End Section: Functions" >> "$S"
cat ./src/main/stage1.sns.sh >> "$S"
cat ./src/main/stage2.sns.sh >> "$S"
cat ./src/main/stage3.sns.sh >> "$S"
chmod u+x "$S"
# Install SNS
if [ ! -r "/bin/sns" ] || [ grep "Simple Note System" < "/bin/sns" ];
sudo cp "$S" > "/bin/sns"
fi
# Install Bash completion
if [ ! -r "/usr/share/bash-completion/completions/sns" ]\
|| [ grep "Simple Note System" < "/usr/share/bash-completion/completions/sns" ]; then
sudo cp "src/bash-completion/sns" >\
"/usr/share/bash-completion/completions/sns"
fi
exit

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isa = PBXGroup;
children = (
5D22D6A01AFC4F5A0036DC52 /* src */,
5DE839881ABA04DD006CB4F6 /* errors.ref */,
5DE839831AB9DACE006CB4F6 /* sns.sh */,
5D7E611F1AB74D33001D49B9 /* build.sh */,
5D7E91FB1B27FB620030B30D /* header.sh */,
);
sourceTree = "<group>";
};
/* End PBXGroup section */
/* Begin PBXProject section */
5D7E61191AB74D11001D49B9 /* Project object */ = {
isa = PBXProject;
attributes = {
LastUpgradeCheck = 0700;
};
buildConfigurationList = 5D7E611C1AB74D11001D49B9 /* Build configuration list for PBXProject "sns" */;
compatibilityVersion = "Xcode 3.2";
developmentRegion = English;
hasScannedForEncodings = 0;
knownRegions = (
en,
);
mainGroup = 5D7E61181AB74D11001D49B9;
projectDirPath = "";
projectRoot = "";
targets = (
);
};
/* End PBXProject section */
/* Begin XCBuildConfiguration section */
5D7E611D1AB74D11001D49B9 /* Debug */ = {
isa = XCBuildConfiguration;
buildSettings = {
ENABLE_TESTABILITY = YES;
ONLY_ACTIVE_ARCH = YES;
};
name = Debug;
};
5D7E611E1AB74D11001D49B9 /* Release */ = {
isa = XCBuildConfiguration;
buildSettings = {
};
name = Release;
};
/* End XCBuildConfiguration section */
/* Begin XCConfigurationList section */
5D7E611C1AB74D11001D49B9 /* Build configuration list for PBXProject "sns" */ = {
isa = XCConfigurationList;
buildConfigurations = (
5D7E611D1AB74D11001D49B9 /* Debug */,
5D7E611E1AB74D11001D49B9 /* Release */,
);
defaultConfigurationIsVisible = 0;
defaultConfigurationName = Release;
};
/* End XCConfigurationList section */
};
rootObject = 5D7E61191AB74D11001D49B9 /* Project object */;
}

View File

@@ -0,0 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?>
<Workspace
version = "1.0">
<FileRef
location = "self:sns.xcodeproj">
</FileRef>
</Workspace>

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@@ -0,0 +1,10 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>HasAskedToTakeAutomaticSnapshotBeforeSignificantChanges</key>
<true/>
<key>SnapshotAutomaticallyBeforeSignificantChanges</key>
<true/>
</dict>
</plist>

96
src/bash-completion/sns Normal file
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#!/bin/bash
# Simple Note System, bash completion file
# ========================================
# Copyright (C) 2016, Jon Lewis <jon.lewis@xenami.net>
# Simple Note System is licensed under the GPLv2. Please see LICENSE for more
# information.
#
# **Notice**
# This file was adapted from pass, the standard unix password manager under the
# terms of the GPLv2 license. Pass may be found at https://passwordstore.org.
#
# The original file bore the following copyright notice:
#
# Copyright (C) 2012 - 2014 Jason A. Donenfeld <Jason@zx2c4.com> and
# Brian Mattern <rephorm@rephorm.com>. All Rights Reserved.
# This file is licensed under the GPLv2+. Please see COPYING for more information.
_sns_complete_entries () {
prefix="${SNS_STORE_DIR:-$HOME/.config/sns/notes/}"
suffix=".note"
autoexpand=${1:-0}
local IFS=$'\n'
local items=($(compgen -f $prefix$cur))
for item in "${items[@]}"; do
[[ $item =~ /\.[^/]*$ ]] && continue
# if there is a unique match, and it is a directory with one entry
# autocomplete the subentry as well (recursively)
if [[ ${#items[@]} -eq 1 && $autoexpand -eq 1 ]]; then
while [[ -d $item ]]; do
local subitems=($(compgen -f "$item/"))
local filtereditems=( )
for item2 in "${subitems[@]}"; do
[[ $item2 =~ /\.[^/]*$ ]] && continue
filtereditems+=( "$item2" )
done
if [[ ${#filtereditems[@]} -eq 1 ]]; then
item="${filtereditems[0]}"
else
break
fi
done
fi
# append / to directories
[[ -d $item ]] && item="$item/"
item="${item%$suffix}"
item="${item%.gpg}"
COMPREPLY+=("${item#$prefix}")
done
}
_sns_complete_folders () {
prefix="${SNS_STORE_DIR:-$HOME/.config/sns/notes/}"
local IFS=$'\n'
local items=($(compgen -d $prefix$cur))
for item in "${items[@]}"; do
[[ $item == $prefix.* ]] && continue
COMPREPLY+=("${item#$prefix}/")
done
}
_sns_complete_keys () {
local IFS=$'\n'
# Extract names and email addresses from gpg --list-keys
local keys="$(gpg2 --list-secret-keys --with-colons | cut -d : -f 10 | sort -u | sed '/^$/d')"
COMPREPLY+=($(compgen -W "${keys}" -- ${cur}))
}
_sns()
{
COMPREPLY=()
local cur="${COMP_WORDS[COMP_CWORD]}"
local commands="--create --delete --edit --help --print --list --init"
if [[ $COMP_CWORD -gt 1 ]]; then
local lastarg="${COMP_WORDS[$COMP_CWORD-1]}"
case "${COMP_WORDS[1]}" in
--list|-l)
_sns_complete_folders
;;
--edit|-e|--print|-p|--delete|-d)
_sns_complete_entries
;;
*)
;;
esac
else
COMPREPLY+=($(compgen -W "${commands}" -- ${cur}))
fi
}
complete -o filenames -o nospace -F _sns sns

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@@ -0,0 +1,35 @@
function create(){
# Depends : p_header
# Requires: $NOTE, $NOTE_DIR,
# Optional: $ENCRYPTION, $SESSION_ID, $TMP_DIR encrypt
# Given a valid setup, create writes the standard note header as specified
# by p_header, to $NOTE.
# Refuse to overwrite a note
if [ -e "$NOTES_DIR/$NOTE" ]; then
>&2 printf " $RED_COLOR!$RESET_COLOR %s\n\t%s\n"\
"Note already exists"\
"Hint: use -e to edit the note."
exit 200
fi
# If the note's notebook/section does not exist,
# create the appropriate folders.
mkdir -p "$NOTES_DIR"/"$(dirname "$NOTE")"
# Write the standard note header
if [ "$ENCRYPTION" == "TRUE" ]; then
TMP_NOTE="$TMP_DIR"/"$SESSION_ID"
p_header > "$TMP_NOTE"
encrypt
else
p_header > "$NOTES_DIR/$NOTE"
fi
# Make sure the note exists, and inform the user of the result.
if [ -e "$NOTES_DIR/$NOTE" ]; then
printf " - %s\n" "Created note: ${NOTE%.*}"
else
>&2 printf " $RED_COLOR!$RESET_COLOR %s\n"\
"Something went wrong, and the note was not created."
fi
}

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@@ -0,0 +1,18 @@
function delete(){
# Requires: $NOTE, $NOTE_DIR
# Given a valid $NOTE, delete removes $NOTE from sns.
if [ -e "$NOTES_DIR/$NOTE" ]; then
rm "$NOTES_DIR/$NOTE"
printf " - %s\n" "Deleted note: ${NOTE%.*}."
#Cleanup empty notebooks/sections]
find "$NOTES_DIR" -mindepth 1 -type d | tac |\
while read -r DIR ; do
if [ ! "$(ls -A $DIR)" ]; then
rmdir "$DIR"
fi
done
else
>&2 printf " $RED_COLOR!$RESET_COLOR %s\n" "Note ${NOTE%.*} does not exist."
fi
}

51
src/includes/edit.sns.sh Normal file
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@@ -0,0 +1,51 @@
function edit(){
# Requires: $EDITOR, $NOTE
# Optional: $ENCRYPTION, $TMP_DIR, $SESSION_ID, decrypt, encrypt
# Verify an editor was specified
if [ -z "$EDITOR" ]; then
>&2 printf " $RED_COLOR!$RESET_COLOR %s\n"\
"No editor specified in environment."
exit
# Verify the note exists
elif [ ! -r "$NOTES_DIR/$NOTE" ]; then
>&2 printf " $RED_COLOR!$RESET_COLOR %s\n"\
"Note cannot be opened for editing."
exit 40;
fi
# If encryption is enabled, decrypt $NOTE to a temp file, otherwise
# operate on the note directly.
if [ "$ENCRYPTION" == "TRUE" ]; then
cp "$NOTES_DIR/$NOTE" "$NOTES_DIR/$NOTE.bk" #Insurance
TMP_NOTE="$TMP_DIR/$SESSION_ID"
decrypt > "$TMP_NOTE"
else
TMP_NOTE="$NOTES_DIR/$NOTE";
fi
# Write an ammendment header
if [ -z "$CREATE" ]; then
printf "\n%s\n" "edit - $(date "$DATE_FMT")" >> "$TMP_NOTE"
printf "%s\n" "===================================" >> "$TMP_NOTE"
fi
# Call the editor
printf " - %s\n" "editing ${NOTE%.*}"
"$EDITOR" "$TMP_NOTE"
# If the file was previously decrypted, encrypt it back
if [ "$ENCRYPTION" == "TRUE" ]; then
echo "reencrypting"
rm "$NOTES_DIR/$NOTE"
encrypt;
rm "$TMP_NOTE"
if [ ! -r "$NOTES_DIR/$NOTE" ]; then
>&2 printf " $RED_COLOR!$RESET_COLOR %s\n" "error: note was not saved."
cp "$NOTES_DIR/$NOTE.bk" "$NOTES_DIR/$NOTE"
else
rm "$NOTES_DIR/$NOTE.bk";
fi
fi
}

14
src/includes/help.sns.sh Normal file
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function help {
printf "\n%s" "usage: sns [-cedp] NAME NOTEBOOK SECTION"
printf "\n%s" " sns [-l] NOTEBOOK"
printf "\n%s" " sns [-hi ]"
printf "\n%s" " -c | --create : Create note"
printf "\n%s" " -d | --delete : Delete note"
printf "\n%s" " -e | --edit : Open note for editing"
printf "\n%s" " -h | --help : Display this message"
printf "\n%s" " -p | --print : Print note to console"
printf "\n%s" " -l | --list : List all notes in NOTEBOOK"
printf "\n%s" " -i | --init : Write default config and initalize SNS store"
printf "\n"
}

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@@ -0,0 +1,39 @@
function init_store {
if [ ! -d "$ROOT_DIR" ]; then mkdir -p "$ROOT_DIR"; WILL_INIT="TRUE"; fi
if [ ! -d "$TMP_DIR" ]; then mkdir -p "$TMP_DIR" ; WILL_INIT="TRUE"; fi
cat > "$CONFIG_FILE" << EOF
# This file contains directives for the Simple Note System.
EXT=note # File extension to use (for listing notes)
#EDITOR= # Preferred Editor:
# If you would like to specify a different editor for
# sns to use, you may do so here, otherwise, sns will
# use the editor specified in the environment.
DATE_FMT="+%D %T" # Date Format:
# If you would like to modify the date format, you may
# specify one appropriate to the \`date\` command.
ENCRYPTION="FALSE" # Main Encryption Toggle:
# WARNING: ANY PREVIOUSLY UNENCRYPTED NOTES WILL BE LOST
# Change this to TRUE to enable encryption.
PUBKEY="" # Public Key
# Encryption is done using GPG. You must enter your
# public key's identifier here.
EOF
chmod 600 "$CONFIG_FILE"
printf " - %s\n" "Rewrote Default Configuration"
if [ "$WILL_INIT" == "TRUE" ]; then
printf " - %s\n" "Environment initialized in $ROOT_DIR"
else
printf " - %s\n" "Store already initialized."
fi
}

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@@ -0,0 +1,15 @@
function encrypt(){
# This function, given a recipient, $PUBKEY; a file to encrypt, $TMP_NOTE; and an
# output file, $NOTE, will encrypt $TMP_NOTE to $NOTE against $PUBKEY's private
# GPG key.
gpg -r "$PUBKEY" -o "$NOTES_DIR/$NOTE" -e "$TMP_NOTE"
}
function decrypt(){
# This function, given a file to decrypt, will attempt to decrypt the file
# against the specified recipient's private key, and print the result to
# stdout.
gpg -d "$NOTES_DIR/$NOTE"
}

4
src/includes/list.sns.sh Normal file
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@@ -0,0 +1,4 @@
function list(){
# This function, given a folder, $NOTE, will list the contents of $NOTE.
ls "$NOTES_DIR/${NOTE%.*}"
}

3
src/includes/p_header.sh Normal file
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@@ -0,0 +1,3 @@
function p_header(){
printf "# %s\n## %s\n" "$(basename ${NOTE%.*})" "$(date "$DATE_FMT")"
}

12
src/includes/print.sns.sh Normal file
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@@ -0,0 +1,12 @@
function print(){
# Given an existing file, $NOTE, print prints the contents of $NOTE to stdout.
if [ -r "$NOTE" ]; then
if [ "$ENCRYPTION" == "TRUE" ]; then decrypt #to stdout
else cat "$NOTE"; fi
else
>&2 printf " $RED_COLOR!$RESET_COLOR %s\n\t%s\n"\
"Note cannot be found."
exit 205 #ERR_NOTE_NO_READ
fi
}

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@@ -0,0 +1,11 @@
function verify_store {
ETC_DIR=$(dirname "$CONFIG_FILE")
STORE_DIRS=("$ROOT_DIR" "$NOTES_DIR" "$TMP_DIR" "$ETC_DIR")
for DIR in "${STORE_DIRS[@]}"; do
if [ ! -d "$DIR" ]; then
mkdir -p "$DIR"
fi
done
}

24
src/main/stage1.sns.sh Normal file
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@@ -0,0 +1,24 @@
#==============================================================================
# Stage 1: Read Configuration / Verify Integrity
#==============================================================================
if [ -r "$CONFIG_FILE" ]; then
source "$CONFIG_FILE"
verify_store
elif [ $1 != "-i" ]; then
>&2 printf " $RED_COLOR!$RESET_COLOR %s\n\t%s\n"\
"Configuration not found. Please run sns -i."
exit 5 #ERR_NO_STORE
fi
if [ "$ENCRYPTION" == "TRUE" ]; then
if [ ! -r "$(which gpg)" ]; then
>&2 printf " $RED_COLOR!$RESET_COLOR %s\n\t%s\n"\
"Encryption was specified, but GPG is not installed."
exit 100
elif [ -z "$PUBKEY" ]; then
>&2 printf " $RED_COLOR!$RESET_COLOR %s\n\t%s\n"\
"No GPG recipient was provided in $CONFIG_FILE. "
exit 110
fi
fi

48
src/main/stage2.sns.sh Normal file
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@@ -0,0 +1,48 @@
#==============================================================================
# Stage 2: Argument Parsing
#==============================================================================
NOTE=""
if [ -z "$1" ]; then help; exit 20
else
for ARG in "$@"; do
case "$ARG" in
-c|--create)
CREATE="TRUE"
OP="TRUE"
;;
-d|--delete)
DELETE="TRUE"
OP="TRUE"
;;
-e|--edit)
EDIT="TRUE"
OP="TRUE"
;;
-ce|-ec)
CREATE="TRUE"
EDIT="TRUE"
OP="TRUE"
;;
-l|--list)
LIST="TRUE"
OP="TRUE"
;;
-p|--print)
PRINT="TRUE"
OP="TRUE"
;;
-h|--help)
help
exit 0
;;
-i|--init-store)
init_store
exit 0
;;
*)
NOTE="$ARG"
break;
;;
esac
done
fi

30
src/main/stage3.sns.sh Normal file
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@@ -0,0 +1,30 @@
#==============================================================================
# Section: Actions / Stage 3
#==============================================================================
# Default behavior
# If no operation was specified, print help and exit on ERR_NO_OP
if [ "$OP" != "TRUE" ]; then
help; exit 20
fi
# All options not requiring a note to be specified have been dealt
# with; if one isn't specified, exit on ERR_NO_NOTE.
if [ -z "$NOTE" ]; then
printf " $RED_COLOR!$RESET_COLOR %s\n" "No note specified."
exit 30
fi
if [ "$ENCRYPTION" == "TRUE" ]; then
SESSION_ID="$RANDOM" #SESSION_ID later becomes the temporary filename
readonly NOTE="$NOTE.gpg.$EXT"
else
readonly NOTE="$NOTE.$EXT"
fi
if [ "$LIST" == "TRUE" ]; then list ; exit 0; fi
if [ "$PRINT" == "TRUE" ]; then print ; exit 0; fi
if [ "$DELETE" == "TRUE" ]; then delete; exit 0; fi
if [ "$CREATE" == "TRUE" ]; then create; fi
if [ "$EDIT" == "TRUE" ]; then edit ; fi
#==============================================================================
# End Section: Actions / Stage 3
#==============================================================================