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db-schema.coffee
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db-schema.coffee
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###############################################################################
#
# CoCalc: Collaborative Calculation in the Cloud
#
# Copyright (C) 2016, Sagemath Inc.
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
#
###############################################################################
###
The schema below determines the PostgreSQL database schema. The notation is as follows:
schema.table_name =
desc: 'A description of this table.' # will be used only for tooling
primary_key : 'the_table_primary_key'
durability : 'hard' or 'soft' # optional -- if given, specify the table durability; 'hard' is the default
fields : # every field *must* be listed here or user queries won't work.
the_table_primary_key :
type : 'uuid'
desc : 'This is the primary key of the table.'
...
pg_indexes : [array of column names] # also some more complicated ways to define indexes; see the examples.
user_query : # queries that are directly exposed to the client via a friendly "fill in what result looks like" query language
get : # describes get query for reading data from this table
pg_where : # this gets run first on the table before
'account_id' - replaced by user's account_id
'project_id' - filled in by project_id, which must be specified in the query itself;
(if table not anonymous then project_id must be a project that user has read access to)
'project_id-public' - filled in by project_id, which must be specified in the query itself;
(if table not anonymous then project_id must be of a project with at east one public path)
'all_projects_read' - filled in with list of all the id's of projects this user has read access to
'collaborators' - filled in by account_id's of all collaborators of this user
an arbitrary function - gets called with an object with these keys:
account_id, table, query, multi, options, changes
fields : # these are the fields any user is allowed to see, subject to the all constraint above
field_name : either null or a default_value
another_field : 10 # means will default to 10 if undefined in database
this_field : null # no default filled in
settings :
strip : false # defaults for a field that is an object -- these get filled in if missing in db
wrap : true
set : # describes more dangerous *set* queries that the user can make via the query language
pg_where : # initially restrict what user can set
'account_id' - user account_id
- list of project_id's that the user has write access to
fields : # user must always give the primary key in set queries
account_id : 'account_id' # means that this field will automatically be filled in with account_id
project_id : 'project_write' # means that this field *must* be a project_id that the user has *write* access to
foo : true # user is allowed (but not required) to set this
bar : true # means user is allowed to set this
To specify more than one user query against a table, make a new table as above, omitting
everything except the user_query section, and include a virtual section listing the actual
table to query:
virtual : 'original_table'
For example,
schema.collaborators =
primary_key : 'account_id'
anonymous : false
virtual : 'accounts'
user_query:
get : ...
Finally, putting
anonymous : true
makes it so non-signed-in-users may query the table (read only) for data, e.g.,
schema.stats =
primary_key: 'id'
anonymous : true # allow user access, even if not signed in
fields:
id : true
...
###
misc = require('./misc')
{DEFAULT_QUOTAS} = require('./upgrade-spec')
schema = exports.SCHEMA = {}
schema.account_creation_actions =
desc : 'Actions to carry out when accounts are created, triggered by the email address of the user.'
primary_key : 'id'
fields :
id :
type : 'uuid'
action :
type : 'map'
desc : 'Describes the action to carry out when an account is created with the given email_address.'
email_address :
type : 'string'
desc : 'Email address of user.'
expire :
type : 'timestamp'
desc : 'When this action should be expired.'
pg_indexes : ['email_address']
exports.DEFAULT_FONT_SIZE = DEFAULT_FONT_SIZE = 14
schema.accounts =
desc : 'All user accounts.'
primary_key : 'account_id'
fields :
account_id :
type : 'uuid',
desc : 'The uuid that determines the user account'
created :
type : 'timestamp'
desc : 'When the account was created.'
created_by :
type : 'string'
pg_type : 'inet'
desc : 'IP address that created the account.'
creation_actions_done :
type : 'boolean'
desc : 'Set to true after all creation actions (e.g., add to projects) associated to this account are succesfully completed.'
password_hash :
type : 'string'
pg_type : 'VARCHAR(173)'
desc : 'hash of the password'
deleted :
type : 'boolean'
desc : "True if the account has been deleted."
email_address :
type : 'string'
pg_type : "VARCHAR(254)" # see http://stackoverflow.com/questions/386294/what-is-the-maximum-length-of-a-valid-email-address
desc : 'The email address of the user. This is optional, since users may instead be associated to passport logins.'
unique : true # only one record in database can have this email address (if given)
email_address_before_delete :
type : 'string'
desc : 'The email address of the user before they deleted their account.'
email_address_verified :
type : 'map'
desc : 'Verified email addresses as { "email@addre.ss" : <timestamp>, ... }'
email_address_challenge :
type : 'map'
desc : 'Contains random token for verification of an address: {"email": "...", "token": <random>, "time" : <timestamp for timeout>}'
email_address_problem :
type : 'map'
desc : 'Describes a problem with a given email address. example: { "wrong@email.address" : { "type": "bounce", "time": "2018-...", "mesg": "554 5.7.1 <....>: Recipient address rejected: Access denied, user does not exist", "status": <status code>}}'
passports :
type : 'map'
desc : 'Map from string ("[strategy]-[id]") derived from passport name and id to the corresponding profile'
editor_settings :
type : 'map'
desc : 'Description of configuration settings for the editor. See the user_query get defaults.'
other_settings :
type : 'map'
desc : 'Miscellaneous overall configuration settings for SMC, e.g., confirm close on exit?'
first_name :
type : 'string'
pg_type : "VARCHAR(254)" # some limit (actually around 3000) is required for indexing
desc : 'The first name of this user.'
last_name :
type : 'string'
pg_type : "VARCHAR(254)"
desc : 'The last name of this user.'
banned :
type : 'boolean'
desc : 'Whether or not this user is banned.'
terminal :
type : 'map'
desc : 'Settings for the terminal, e.g., font_size, etc. (see get query)'
autosave :
type : 'integer'
desc : 'File autosave interval in seconds'
evaluate_key :
type : 'string'
desc : 'Key used to evaluate code in Sage worksheet.'
font_size :
type : 'integer'
desc : 'Default font-size for the editor, jupyter, etc. (px)'
last_active :
type : 'timestamp'
desc : 'When this user was last active.'
stripe_customer_id :
type : 'string'
desc : 'The id of this customer in the stripe billing system.'
stripe_customer :
type : 'map'
desc : 'Information about customer from the point of view of stripe (exactly what is returned by stripe.customers.retrieve).'
coupon_history :
type : 'map'
desc : 'Information about which coupons the customer has used and the number of times'
profile :
type : 'map'
desc : 'Information related to displaying this users location and presence in a document or chatroom.'
groups :
type : 'array'
pg_type : 'TEXT[]'
desc : "Array of groups that this user belongs to; usually empty. The only group right now is 'admin', which grants admin rights."
ssh_keys :
type : 'map'
desc : 'Map from ssh key fingerprints to ssh key objects.'
api_key :
type : 'string'
desc : "Optional API key that grants full API access to anything this account can access. Key is of the form 'sk_9QabcrqJFy7JIhvAGih5c6Nb', where the random part is 24 characters (base 62)."
pg_indexes : [
'(lower(first_name) text_pattern_ops)',
'(lower(last_name) text_pattern_ops)',
'created_by',
'created',
'api_key'
]
user_query :
get :
throttle_changes : 500
pg_where : ['account_id = $::UUID':'account_id']
fields :
account_id : null
email_address : null
email_address_verified : null
email_address_problem : null
editor_settings :
strip_trailing_whitespace : false
show_trailing_whitespace : true
line_wrapping : true
line_numbers : true
smart_indent : true
electric_chars : true
match_brackets : true
auto_close_brackets : true
code_folding : true
match_xml_tags : true
auto_close_xml_tags : true
auto_close_latex : true
spaces_instead_of_tabs : true
multiple_cursors : true
track_revisions : true
extra_button_bar : true
build_on_save : true
first_line_number : 1
indent_unit : 4
tab_size : 4
bindings : "standard"
theme : "default"
undo_depth : 300
jupyter_classic : false
show_exec_warning : true
other_settings :
katex : true
confirm_close : false
mask_files : true
page_size : 50
standby_timeout_m : 10
default_file_sort : 'time'
show_global_info2 : null
first_steps : true
newsletter : false
time_ago_absolute : false
no_free_warnings : false # if true, do not show warning when using non-member projects
first_name : ''
last_name : ''
terminal :
font_size : DEFAULT_FONT_SIZE
color_scheme : 'default'
font : 'monospace'
autosave : 45
evaluate_key : 'Shift-Enter'
font_size : DEFAULT_FONT_SIZE
passports : {}
groups : []
last_active : null
stripe_customer : null
coupon_history : null
profile :
image : undefined
color : undefined
ssh_keys : {}
set :
fields :
account_id : 'account_id'
editor_settings : true
other_settings : true
first_name : true
last_name : true
terminal : true
autosave : true
evaluate_key : true
font_size : true
profile : true
ssh_keys : true
check_hook : (db, obj, account_id, project_id, cb) ->
# Hook to truncate some text fields to at most 254 characters, to avoid
# further trouble down the line.
for field in ['first_name', 'last_name', 'email_address']
if obj[field]?
obj[field] = obj[field].slice(0,254)
cb()
schema.blobs =
desc : 'Table that stores blobs mainly generated as output of Sage worksheets.'
primary_key : 'id'
fields :
id :
type : 'uuid'
desc : 'The uuid of this blob, which is a uuid derived from the Sha1 hash of the blob content.'
blob :
type : 'Buffer'
desc : 'The actual blob content'
expire :
type : 'timestamp'
desc : 'When to expire this blob (when delete_expired is called on the database).'
created :
type : 'timestamp'
desc : 'When the blob was created.'
project_id :
type : 'string'
desc : 'The uuid of the project that created the blob.'
last_active :
type : 'timestamp'
desc : 'When the blob was last pulled from the database.'
count :
type : 'number'
desc : 'How many times the blob has been pulled from the database.'
size :
type : 'number'
desc : 'The size in bytes of the blob.'
gcloud :
type : 'string'
desc : 'name of a bucket that contains the actual blob, if available.'
backup :
type : 'boolean'
desc : 'if true, then this blob was saved to an offsite backup'
compress :
type : 'string'
desc : "optional compression used: 'gzip', 'zlib', 'snappy'"
user_query :
get :
instead_of_query : (database, obj, account_id, cb) ->
if not obj.id?
cb("id must be specified")
return
database.get_blob
uuid : obj.id
cb : (err, blob) ->
if err
cb(err)
else
cb(undefined, {id:obj.id, blob:blob})
fields :
id : null
blob : null
set :
fields :
id : true
blob : true
project_id : 'project_write'
ttl : 0
required_fields :
id : true
blob : true
project_id : true
instead_of_change : (database, old_val, new_val, account_id, cb) ->
database.save_blob
uuid : new_val.id
blob : new_val.blob
ttl : new_val.ttl
project_id : new_val.project_id
check : true # can't trust the user!
cb : cb
schema.central_log =
desc : 'Table for logging system stuff that happens. Meant to help in running and understanding the system better.'
primary_key : 'id'
durability : 'soft' # loss of some log data not serious, since used only for analytics
fields :
id :
type : 'uuid'
event :
type : 'string'
value :
type : 'map'
time :
type : 'timestamp'
pg_indexes : ['time', 'event']
schema.client_error_log =
primary_key : 'id'
durability : 'soft' # loss of some log data not serious, since used only for analytics
fields:
id :
type : 'uuid'
event :
type : 'string'
error :
type : 'string'
account_id :
type : 'uuid'
time :
type : 'timestamp'
pg_indexes : ['time', 'event']
schema.webapp_errors =
primary_key : 'id'
durability : 'soft' # loss of some log data not serious, since used only for analytics
fields:
id : type : 'uuid'
account_id : type : 'uuid'
name : type : 'string'
message : type : 'string'
comment : type : 'string'
stacktrace : type : 'string'
file : type : 'string'
path : type : 'string'
lineNumber : type : 'integer'
columnNumber : type : 'integer'
severity : type : 'string'
browser : type : 'string'
mobile : type : 'boolean'
responsive : type : 'boolean'
user_agent : type : 'string'
path : type : 'text'
smc_version : type : 'string'
build_date : type : 'string'
smc_git_rev : type : 'string'
uptime : type : 'string'
start_time : type : 'timestamp'
time : type : 'timestamp'
pg_indexes : ['time', 'name', 'account_id', 'smc_git_rev', 'smc_version', 'start_time', 'browser']
schema.collaborators =
primary_key : 'account_id'
anonymous : false
virtual : 'accounts'
user_query:
get :
pg_where : ["account_id = ANY(SELECT DISTINCT jsonb_object_keys(users)::UUID FROM projects WHERE users ? $::TEXT)": 'account_id']
pg_changefeed : 'collaborators'
fields :
account_id : null
first_name : ''
last_name : ''
last_active : null
profile : null
schema.compute_servers =
primary_key : 'host'
fields :
host :
type : 'string'
pg_type : 'VARCHAR(63)'
dc :
type : 'string'
port :
type : 'integer'
secret :
type : 'string'
experimental :
type : 'boolean'
member_host :
type : 'boolean'
status :
type : 'map'
desc : 'something like {stuff:?,...,timestamp:?}'
date : ['timestamp']
schema.file_access_log =
primary_key : 'id'
durability : 'soft' # loss of some log data not serious, since used only for analytics
fields:
id :
type : 'uuid'
project_id :
type : 'uuid'
account_id :
type : 'uuid'
filename :
type : 'string'
time :
type : 'timestamp'
pg_indexes : ['project_id', 'account_id', 'filename', 'time']
# This table is derived from file_access_log. It's the image of the set file_access_log under
# the non-injective function
#
# (id,project_id,account_id,filename,time) |--> (project_id, account_id, date),
#
# where date is the day of the time. For reference, this query computes/update this table:
#
# insert into usage_by_date (account_id, project_id, date) (select distinct account_id, project_id, time::date from file_access_log) ON CONFLICT DO NOTHING;
#
schema.usage_by_date =
primary_key : ['date', 'account_id', 'project_id']
durability : 'soft' # loss of some log data not serious, since used only for analytics
fields:
project_id :
type : 'uuid'
account_id :
type : 'uuid'
date :
type : 'date'
pg_indexes : ['date', 'account_id', 'project_id']
# TODO: for postgres rewrite after done we MIGHT completely redo file_use to eliminate
# the id field, use project_id, path as a compound primary key, and maybe put users in
# another table with a relation. There is also expert discussion about this table in the
# Hacker News discussion of my PostgreSQL vs ... blog post.
schema.file_use =
primary_key: 'id'
durability : 'soft' # loss of some log data not serious, since used only for showing notifications
unique_writes: true # there is no reason for a user to write the same record twice
fields:
id :
type : 'string'
pg_type : 'CHAR(40)'
project_id :
type : 'uuid'
path :
type : 'string'
users :
type : 'map'
desc : '{account_id1: {action1: timestamp1, action2:timestamp2}, account_id2: {...}}'
date : 'all'
last_edited :
type : 'timestamp'
pg_indexes : ['project_id', 'last_edited']
user_query:
get :
pg_where : ['projects', 'last_edited IS NOT NULL']
pg_changefeed: 'projects'
options : [{order_by : '-last_edited'}, {limit : 100}] # limit is kind of arbitrary; not sure what to do; I benchmarked 100 vs 200 on myself, and 100 is much faster.
throttle_changes : 3000
fields :
id : null
project_id : null
path : null
users : null
last_edited : null
set :
fields :
id : (obj, db) -> db.sha1(obj.project_id, obj.path)
project_id : 'project_write'
path : true
users : true
last_edited : true
required_fields :
id : true
project_id : true
path : true
check_hook : (db, obj, account_id, project_id, cb) ->
# hook to note that project is being used (CRITICAL: do not pass path
# into db.touch since that would cause another write to the file_use table!)
# CRITICAL: Only do this if what edit or chat for this user is very recent.
# Otherwise we touch the project just for seeing notifications or opening
# the file, which is confusing and wastes a lot of resources.
x = obj.users?[account_id]
recent = misc.minutes_ago(3)
if x? and (x.edit >= recent or x.chat >= recent)
db.touch(project_id:obj.project_id, account_id:account_id)
cb?()
schema.hub_servers =
primary_key : 'host'
durability : 'soft' # loss of some log data not serious, since ephemeral and expires quickly anyways
fields:
host :
type : 'string'
pg_type : 'VARCHAR(63)'
port :
type : 'integer'
clients :
type : 'integer'
expire :
type : 'timestamp'
schema.instances =
primary_key: 'name'
fields:
name :
type : 'string'
gce :
type : 'map'
gce_sha1 :
type : 'string'
requested_preemptible :
type : 'boolean'
requested_status :
type : 'string'
desc : "One of 'RUNNING', 'TERMINATED'"
action :
type : 'map'
desc : "{action:'start', started:timestamp, finished:timestamp, params:?, error:?, rule:?}"
date : ['started', 'finished']
schema.instance_actions_log =
primary_key: 'id'
fields:
id :
type : 'uuid'
name :
type : 'string'
desc : 'hostname of vm'
pg_type : 'VARCHAR(63)'
action :
type : 'map'
desc : 'same as finished action object for instances above'
date : ['started', 'finished']
schema.passport_settings =
primary_key:'strategy'
fields:
strategy :
type : 'string'
conf :
type : 'map'
schema.password_reset =
primary_key: 'id'
fields:
id :
type : 'uuid'
email_address :
type : 'string'
expire :
type : 'timestamp'
schema.password_reset_attempts =
primary_key: 'id'
durability : 'soft' # loss not serious, since used only for analytics and preventing attacks
fields:
id :
type : 'uuid'
email_address :
type : 'string'
ip_address :
type : 'string'
pg_type : 'inet'
time :
type : 'timestamp'
pg_indexes: ['time']
schema.project_log =
primary_key: 'id'
durability : 'soft' # dropping a log entry (e.g., "foo opened a file") wouldn't matter much
fields :
id :
type : 'uuid'
desc : 'which'
project_id :
type : 'uuid'
desc : 'where'
time :
type : 'timestamp'
desc : 'when'
account_id :
type : 'uuid'
desc : 'who'
event :
type : 'map'
desc : 'what'
pg_indexes : ['project_id', 'time']
user_query:
get :
pg_where : 'projects'
pg_changefeed: 'projects'
options : [{order_by : '-time'}, {limit : 1000}]
throttle_changes : 2000
fields :
id : null
project_id : null
time : null
account_id : null
event : null
set :
fields :
id : (obj) -> obj.id ? misc.uuid()
project_id : 'project_write'
account_id : 'account_id'
time : true
event : true
schema.projects =
primary_key: 'project_id'
fields :
project_id :
type : 'uuid',
desc : 'The project id, which is the primary key that determines the project.'
title :
type : 'string'
desc : 'The short title of the project. Should use no special formatting, except hashtags.'
description :
type : 'string'
desc : 'A longer textual description of the project. This can include hashtags and should be formatted using markdown.' # markdown rendering possibly not implemented
users :
type : 'map'
desc : "This is a map from account_id's to {hide:bool, group:['owner',...], upgrades:{memory:1000, ...}, ssh:{...}}."
invite :
type : 'map'
desc : "Map from email addresses to {time:when invite sent, error:error message if there was one}"
date : ['time']
invite_requests :
type : 'map'
desc : "This is a map from account_id's to {timestamp:?, message:'i want to join because...'}."
date : ['timestamp']
deleted :
type : 'boolean'
desc : 'Whether or not this project is deleted.'
host :
type : 'map'
desc : "This is a map {host:'hostname_of_server', assigned:timestamp of when assigned to that server}."
date : ['assigned']
settings :
type : 'map'
desc : 'This is a map that defines the free base quotas that a project has. It is of the form {cores: 1.5, cpu_shares: 768, disk_quota: 1000, memory: 2000, mintime: 36000000, network: 0}. WARNING: some of the values are strings not numbers in the database right now, e.g., disk_quota:"1000".'
status :
type : 'map'
desc : 'This is a map computed by the status command run inside a project, and slightly enhanced by the compute server, which gives extensive status information about a project. It has the form {console_server.pid: [pid of the console server, if running], console_server.port: [port if it is serving], disk_MB: [MB of used disk], installed: [whether code is installed], local_hub.pid: [pid of local hub server process], local_hub.port: [port of local hub process], memory: {count:?, pss:?, rss:?, swap:?, uss:?} [output by smem], raw.port: [port that the raw server is serving on], sage_server.pid: [pid of sage server process], sage_server.port: [port of the sage server], secret_token: [long random secret token that is needed to communicate with local_hub], state: "running" [see COMPUTE_STATES in the compute-states file], version: [version number of local_hub code]}'
state :
type : 'map'
desc : 'Info about the state of this project of the form {error: "", state: "running", time: timestamp}, where time is when the state was last computed. See COMPUTE_STATES in the compute-states file.'
date : ['time']
last_edited :
type : 'timestamp'
desc : 'The last time some file was edited in this project. This is the last time that the file_use table was updated for this project.'
last_started :
type : 'timestamp'
desc : 'The last time the project started running.'
last_active :
type : 'map'
desc : "Map from account_id's to the timestamp of when the user with that account_id touched this project."
date : 'all'
created :
type : 'timestamp'
desc : 'When the project was created.'
action_request :
type : 'map'
desc : "Request state change action for project: {action:['restart', 'stop', 'save', 'close'], started:timestamp, err:?, finished:timestamp}"
date : ['started', 'finished']
storage :
type : 'map'
desc : "This is a map {host:'hostname_of_server', assigned:when first saved here, saved:when last saved here}."
date : ['assigned', 'saved']
last_backup :
type : 'timestamp'
desc : "(DEPRECATED) Timestamp of last off-disk successful backup using bup to Google cloud storage"
storage_request :
type : 'map'
desc : "(DEPRECATED) {action:['save', 'close', 'move', 'open'], requested:timestap, pid:?, target:?, started:timestamp, finished:timestamp, err:?}"
date : ['started', 'finished', 'requested']
course :
type : 'map'
desc : '{project_id:[id of project that contains .course file], path:[path to .course file], pay:?, email_address:[optional email address of student -- used if account_id not known], account_id:[account id of student]}, where pay is either not set (or equals falseish) or is a timestamp by which the students must move the project to a members only server.'
date : ['pay']
storage_server :
type : 'integer'
desc : '(DEPRECATED) Number of the Kubernetes storage server with the data for this project: one of 0, 1, 2, ...'
storage_ready :
type : 'boolean'
desc : '(DEPRECATED) Whether storage is ready to be used on the storage server. Do NOT try to start project until true; this gets set by storage daemon when it notices the that run is true.'
disk_size :
type : 'integer'
desc : 'Size in megabytes of the project disk.'
resources :
type : 'map'
desc : 'Object of the form {requests:{memory:"30Mi",cpu:"5m"}, limits:{memory:"100Mi",cpu:"300m"}} which is passed to the k8s resources section for this pod.'
preemptible :
type : 'boolean'
desc : 'If true, allow to run on preemptible nodes.'
idle_timeout :
type : 'integer'
desc : 'If given and nonzero, project will be killed if it is idle for this many **minutes**, where idle *means* that last_edited has not been updated.'
run_quota :
type : 'map'
desc : 'If project is running, this is the quota that it is running with.'
compute_image :
type : 'string'
desc : 'Specify the name of the underlying (kucalc) compute image (default: "latest")'
pg_indexes : [
'last_edited',
'USING GIN (users)' # so get_collaborator_ids is fast
'USING GIN (host jsonb_path_ops)' # so get_projects_on_compute_server is fast
]
user_query:
get :
pg_where : 'projects'
pg_changefeed: 'projects'
throttle_changes : 2000
fields :
project_id : null
title : ''
description : ''
users : {}
invite : null # who has been invited to this project via email
invite_requests: null # who has requested to be invited
deleted : null
host : null
settings : DEFAULT_QUOTAS
status : null
state : null
last_edited : null
last_active : null
action_request : null # last requested action -- {action:?, time:?, started:?, finished:?, err:?}
course : null
compute_image : 'latest'
set :
fields :
project_id : 'project_write'
title : true
description : true
deleted : true
invite_requests: true # project collabs can modify this (e.g., to remove from it once user added or rejected)
users : (obj, db, account_id) -> db._user_set_query_project_users(obj, account_id)
action_request : true # used to request that an action be performed, e.g., "save"; handled by before_change
compute_image : true
before_change : (database, old_val, new_val, account_id, cb) ->
database._user_set_query_project_change_before(old_val, new_val, account_id, cb)
on_change : (database, old_val, new_val, account_id, cb) ->
database._user_set_query_project_change_after(old_val, new_val, account_id, cb)
project_query:
get :
pg_where : ["project_id = $::UUID" : 'project_id']
fields :
project_id : null
title : null
description : null
status : null
set :
fields :
project_id : 'project_id'
title : true
description : true
status : true
# Table that enables set queries to the course field of a project. Only
# project owners are allowed to use this table. The point is that this makes
# it possible for the owner of the project to set things, but not for the
# collaborators to set those things.
schema.projects_owner =
virtual : 'projects'
fields :
project_id : true
course : true
user_query :
set :
fields :
project_id : 'project_owner'
course : true
# Table that enables any signed-in user to set an invite request.
# Later: we can make an index so that users can see all outstanding requests they have made easily.
# How to test this from the browser console:
# project_id = '4e0f5bfd-3f1b-4d7b-9dff-456dcf8725b8' // id of a project you have
# invite_requests = {}; invite_requests[smc.client.account_id] = {timestamp:new Date(), message:'please invite me'}
# smc.client.query({cb:console.log, query:{project_invite_requests:{project_id:project_id, invite_requests:invite_requests}}}) // set it
# smc.redux.getStore('projects').get_project(project_id).invite_requests // see requests for this project
#
# CURRENTLY NOT USED.
schema.project_invite_requests =
virtual : 'projects'
primary_key: 'project_id'
fields :
project_id : true
invite_requests : true # {account_id:{timestamp:?, message:?}, ...}
user_query :
set :
fields :
project_id : true
invite_requests : true
before_change : (database, old_val, new_val, account_id, cb) ->
cb() # actual function will be database._user... as below.
#database._user_set_query_project_invite_requests(old_val, new_val, account_id, cb)
# For now don't check anything -- this is how we will make it secure later.
# This will:
# - that user setting this is signed in
# - ensure user only modifies their own entry (for their own id).
# - enforce some hard limit on number of outstanding invites (say 30).
# - enforce limit on size of invite message.
# - sanity check on timestamp
# - with an index as mentioned above we could limit the number of projects
# to which a single user has requested to be invited.
# Table that provides extended read info about a single project
# but *ONLY* for admin.
schema.projects_admin =
primary_key : schema.projects.primary_key
virtual : 'projects'
fields : schema.projects.fields
user_query:
get :
admin : true # only admins can do get queries on this table
# (without this, users who have read access could read)
pg_where : ['project_id = $::UUID':'project_id']
fields : schema.projects.user_query.get.fields
# Get publicly available information about a project.
#
schema.public_projects =
anonymous : true
virtual : 'projects'
user_query :
get :
pg_where : ['project_id = $::UUID':'project_id-public']
fields :
project_id : true
title : true
description : true
schema.public_paths =
primary_key : 'id'
anonymous : true # allow user *read* access, even if not signed in
fields:
id :
type : 'string'
pg_type : 'CHAR(40)'
desc : 'sha1 hash derived from project_id and path'
project_id :
type : 'uuid'
path :
type : 'string'
description :
type : 'string'
disabled :
type : 'boolean'
desc : 'if true then disabled'
unlisted :
type : 'boolean'
desc : 'if true then unlisted, so does not appear in /share listing page.'
created :
type : 'timestamp'
desc : 'when this path was created'
last_edited :
type : 'timestamp'
desc : 'when this path was last edited'
last_saved :
type : 'timestamp'
desc : 'when this path was last saved (or deleted if disabled) by manage-storage'
counter :
type : 'number'
desc : 'the number of times this public path has been accessed'
vhost : # For now, this will only be used *manually* for now; at some point users will be able to specify this,
# though maybe they have to prove they own it.
# For now we will only serve the vhost files statically with no special support, except we do support
# basic http auth. However, we will add
# special server support for certain file types (e.g., math typesetting, markdown, sagews, ipynb, etc.)
# so static websites can just be written in a mix of md, html, ipynb, etc. files with no javascript needed.
# This could be a non-default option.
# IMPORTANT: right now if vhost is set, then the share is not visible at all to the normal share server.
type : 'string'
desc : 'Request for the given host (which must not container "cocalc") will be served by this public share. Only one public path can have a given vhost. The vhost field can be a comma-separated string for multiple vhosts.'
unique : true
auth :
type : 'map'
desc : 'Map from relative path inside the share to array of {path:[{name:[string], pass:[password-hash]}, ...], ...}. Used both by vhost and share server, but not user editable yet. Later it will be user editable. The password hash is from smc-hub/auth.password_hash (so 1000 iterations of sha512)'
pg_indexes : ['project_id', '(substring(project_id::text from 1 for 1))', '(substring(project_id::text from 1 for 2))']
user_query:
get :
pg_where : ["project_id = $::UUID": 'project_id']
throttle_changes : 2000
fields :
id : null
project_id : null
path : null
description : null
disabled : null # if true then disabled
unlisted : null # if true then do not show in main listing (so doesn't get google indexed)
last_edited : null
created : null
last_saved : null
counter : null
set :
fields :
id : (obj, db) -> db.sha1(obj.project_id, obj.path)
project_id : 'project_write'
path : true
description : true
disabled : true