Richtlinien-Speicher

In Casbin wird der Richtlinienspeicher als -Adapter implementiert.

Loading policy from a .CSV file

Dies ist die häufigste Art Casbin zu benutzen. It is easy to understand for beginners and convenient for sharing when you ask the Casbin team for help.

The content of the .CSV file examples/rbac_policy.csv is as follows:

p, alice, data1, read
p, bob, data2, write
p, data2_admin, data2, read
p, data2_admin, data2, write
g, alice, data2_admin

note

If your file contains commas, you should wrap them in double quotes. For example:

p, alice, "data1,data2", read    --correct
p, alice, data1,data2, read        --incorrect (the whole phrase "data1,data2" should be wrapped in double quotes)

If your file contains commas and double quotes, you should enclose the field in double quotes and double any embedded double quotes.

p, alice, data, "r.act in (""get"", ""post"")"        --correct
p, alice, data, "r.act in ("get", "post")"            --incorrect (you should use "" to escape "")

Ähnliches Problem: casbin#886

Adapter-API

Methode	Typ	Beschreibung
LoadPolicy()	einfach	Lade alle Regeln aus dem Speicher
SavePolicy()	einfach	Alle Richtlinien-Regeln im Speicher speichern
AddPolicy()	optional	Richtlinien-Regel zum Speicher hinzufügen
RemovePolicy()	optional	Eine Richtlinien-Regel vom Speicher entfernen
FilteredPolicy() entfernen	optional	Regeln, die dem Filter entsprechen, vom Speicher entfernen

Datenbankspeicherformat

Your policy file

p, data2_admin, data2, lesen
p, data2_admin, data2, schreiben
g, alice, admin

Corresponding database structure (such as MySQL)

id	ptype	v0	v1	v2	v3	v4	v5
1	p	data2_admin	data2	gelesen
2	p	data2_admin	data2	schreiben
3	g	alice	admin

Meaning of each column

• id: The primary key in the database. It does not exist as part of the casbin policy. The way it is generated depends on the specific adapter.

• ptype: Es entspricht p, g, g2, etc.

• v0-v5: The column names have no specific meaning and correspond to the values in the policy csv from left to right. Die Anzahl der Spalten hängt davon ab, wie viele Sie selbst definieren. In theory, there can be an infinite number of columns, but generally only 6 columns are implemented in the adapter. If this is not enough for you, please submit an issue to the corresponding adapter repository.

Adapter-Details

For more details about the use of the adapter API and database table structure design, please visit: /docs/adapters