vole
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A free and open-source forge that lives in your Git repo.
| 1 | package web |
| 2 | |
| 3 | // Instance admin accounts: the operations that used to need `vole admin account`. |
| 4 | // Account creation goes through CreateWithInvite, so the browser never asks an |
| 5 | // operator to paste somebody else's SSH key; the one-time enrollment link is the |
| 6 | // credential and is shown once. |
| 7 | |
| 8 | import ( |
| 9 | "net/http" |
| 10 | "strings" |
| 11 | "time" |
| 12 | |
| 13 | "rodent.software/vole/forge/access" |
| 14 | "rodent.software/vole/forge/identity" |
| 15 | "rodent.software/vole/forge/session" |
| 16 | ) |
| 17 | |
| 18 | type adminUserView struct { |
| 19 | Page |
| 20 | Account *identity.Account |
| 21 | Sessions []session.Session |
| 22 | // RoleScope and RoleHelp keep the role picker honest for a bot: it may hold |
| 23 | // an instance role, but not the instance-admin role. |
| 24 | RoleScope string |
| 25 | RoleHelp string |
| 26 | Error string |
| 27 | } |
| 28 | |
| 29 | type adminInviteView struct { |
| 30 | Page |
| 31 | Account *identity.Account |
| 32 | Link string |
| 33 | Expires time.Time |
| 34 | BrowserLogin bool |
| 35 | } |
| 36 | |
| 37 | func (w *Web) adminUserView(r *http.Request, acct *identity.Account, msg string) adminUserView { |
| 38 | v := adminUserView{ |
| 39 | Page: w.page(r, acct.Name), Account: acct, Error: msg, |
| 40 | RoleScope: "instance", |
| 41 | RoleHelp: "Instance roles apply to public repositories. A repository-specific role can grant more on one repository. admin is the exception: it applies to every repository, private ones included.", |
| 42 | } |
| 43 | if acct.Bot() { |
| 44 | v.RoleScope = "bot" |
| 45 | v.RoleHelp = "Instance roles apply to public repositories. A repository-specific role can grant more on one repository. A bot cannot be an instance admin." |
| 46 | } |
| 47 | if w.Sessions != nil { |
| 48 | v.Sessions, _ = w.Sessions.List(acct.Name) |
| 49 | } |
| 50 | return v |
| 51 | } |
| 52 | |
| 53 | func (w *Web) adminInviteView(r *http.Request, acct *identity.Account, inv *identity.Invite) adminInviteView { |
| 54 | // The token is in the fragment, so it is not sent to the server, not written to |
| 55 | // an access log in front of it, and not carried in a Referer when the page |
| 56 | // links anywhere. |
| 57 | link := "/-/invite#" + inv.Token |
| 58 | if base := w.Cfg.BaseURL(); base != "" { |
| 59 | link = base + link |
| 60 | } |
| 61 | return adminInviteView{ |
| 62 | Page: w.page(r, "Enrollment link for "+acct.Name), Account: acct, |
| 63 | Link: link, Expires: inv.Expires, BrowserLogin: w.enabled(), |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | // adminUserPost is the shared gate for the action endpoints: instance admin, |
| 68 | // existing account, CSRF, and a parsed form. |
| 69 | func (w *Web) adminUserPost(rw http.ResponseWriter, r *http.Request) (*identity.Account, *principal, bool) { |
| 70 | pr, ok := w.beginAdminPost(rw, r, maxSmallForm) |
| 71 | if !ok { |
| 72 | return nil, nil, false |
| 73 | } |
| 74 | acct, err := w.Ident.Find(r.PathValue("name")) |
| 75 | if err != nil { |
| 76 | w.notFound(rw, r) |
| 77 | return nil, nil, false |
| 78 | } |
| 79 | return acct, pr, true |
| 80 | } |
| 81 | |
| 82 | // AdminUsersPage keeps the old roster URL working. The roster is the Accounts tab |
| 83 | // on the Admin page now; the gate still runs here so an anonymous visitor is sent |
| 84 | // to login and a non-admin still gets the same 404 a missing page gets. |
| 85 | func (w *Web) AdminUsersPage(rw http.ResponseWriter, r *http.Request) { |
| 86 | if _, ok := w.requireInstanceAdmin(rw, r); !ok { |
| 87 | return |
| 88 | } |
| 89 | http.Redirect(rw, r, "/-/admin?tab=accounts", http.StatusMovedPermanently) |
| 90 | } |
| 91 | |
| 92 | func (w *Web) CreateAdminUser(rw http.ResponseWriter, r *http.Request) { |
| 93 | if _, ok := w.beginAdminPost(rw, r, maxSmallForm); !ok { |
| 94 | return |
| 95 | } |
| 96 | name := strings.TrimSpace(r.PostFormValue("name")) |
| 97 | role, err := access.ParseRole(r.PostFormValue("role")) |
| 98 | if err != nil { |
| 99 | w.renderAdminTab(rw, r, "accounts", err.Error(), http.StatusBadRequest) |
| 100 | return |
| 101 | } |
| 102 | acct, inv, err := w.Ident.CreateWithInviteRole(name, role, w.accountName(r), 0) |
| 103 | if err != nil { |
| 104 | w.renderAdminTab(rw, r, "accounts", err.Error(), http.StatusBadRequest) |
| 105 | return |
| 106 | } |
| 107 | w.noStore(rw) |
| 108 | w.render(rw, "admin_invite", w.adminInviteView(r, acct, inv), 0) |
| 109 | } |
| 110 | |
| 111 | // CreateAdminBot creates an automation account. A bot has no browser sign-in, so |
| 112 | // an enrollment link would be a secret it could never use: the form collects the |
| 113 | // SSH key it acts with instead. The identity layer records the same audit line |
| 114 | // the CLI does, with the kind and the role. |
| 115 | func (w *Web) CreateAdminBot(rw http.ResponseWriter, r *http.Request) { |
| 116 | pr, ok := w.beginAdminPost(rw, r, maxSmallForm) |
| 117 | if !ok { |
| 118 | return |
| 119 | } |
| 120 | name := strings.TrimSpace(r.PostFormValue("name")) |
| 121 | role, err := access.ParseRole(r.PostFormValue("role")) |
| 122 | if err != nil { |
| 123 | w.renderAdminTab(rw, r, "accounts", err.Error(), http.StatusBadRequest) |
| 124 | return |
| 125 | } |
| 126 | key := strings.TrimSpace(r.PostFormValue("key")) |
| 127 | if key == "" { |
| 128 | w.renderAdminTab(rw, r, "accounts", "Paste a public key for the bot. A bot signs in with a key, not a browser.", http.StatusBadRequest) |
| 129 | return |
| 130 | } |
| 131 | acct, err := w.Ident.CreateBot(name, role, key, pr.account.Name) |
| 132 | if err != nil { |
| 133 | w.renderAdminTab(rw, r, "accounts", err.Error(), http.StatusBadRequest) |
| 134 | return |
| 135 | } |
| 136 | http.Redirect(rw, r, "/-/users/"+acct.Name, http.StatusSeeOther) |
| 137 | } |
| 138 | |
| 139 | func (w *Web) AdminUserPage(rw http.ResponseWriter, r *http.Request) { |
| 140 | if _, ok := w.requireInstanceAdmin(rw, r); !ok { |
| 141 | return |
| 142 | } |
| 143 | acct, err := w.Ident.Find(r.PathValue("name")) |
| 144 | if err != nil { |
| 145 | w.notFound(rw, r) |
| 146 | return |
| 147 | } |
| 148 | w.render(rw, "admin_user", w.adminUserView(r, acct, ""), 0) |
| 149 | } |
| 150 | |
| 151 | func (w *Web) SetAdminUserRole(rw http.ResponseWriter, r *http.Request) { |
| 152 | acct, pr, ok := w.adminUserPost(rw, r) |
| 153 | if !ok { |
| 154 | return |
| 155 | } |
| 156 | role, err := access.ParseRole(r.PostFormValue("role")) |
| 157 | if err != nil { |
| 158 | w.render(rw, "admin_user", w.adminUserView(r, acct, err.Error()), http.StatusBadRequest) |
| 159 | return |
| 160 | } |
| 161 | if _, err := w.Ident.SetInstanceRole(acct.Name, role, pr.account.Name); err != nil { |
| 162 | w.render(rw, "admin_user", w.adminUserView(r, acct, err.Error()), http.StatusBadRequest) |
| 163 | return |
| 164 | } |
| 165 | http.Redirect(rw, r, "/-/users/"+acct.Name, http.StatusSeeOther) |
| 166 | } |
| 167 | |
| 168 | func (w *Web) RetireAdminUser(rw http.ResponseWriter, r *http.Request) { |
| 169 | acct, pr, ok := w.adminUserPost(rw, r) |
| 170 | if !ok { |
| 171 | return |
| 172 | } |
| 173 | if got := strings.TrimSpace(r.PostFormValue("confirm")); got != acct.Name { |
| 174 | w.render(rw, "admin_user", w.adminUserView(r, acct, "Type the account name exactly to confirm retirement."), http.StatusBadRequest) |
| 175 | return |
| 176 | } |
| 177 | if _, err := w.Ident.Retire(acct.Name, pr.account.Name); err != nil { |
| 178 | w.render(rw, "admin_user", w.adminUserView(r, acct, err.Error()), http.StatusBadRequest) |
| 179 | return |
| 180 | } |
| 181 | http.Redirect(rw, r, "/-/admin?tab=accounts", http.StatusSeeOther) |
| 182 | } |
| 183 | |
| 184 | func (w *Web) InviteAdminUser(rw http.ResponseWriter, r *http.Request) { |
| 185 | acct, pr, ok := w.adminUserPost(rw, r) |
| 186 | if !ok { |
| 187 | return |
| 188 | } |
| 189 | inv, err := w.Ident.Invite(acct.Name, pr.account.Name, 0) |
| 190 | if err != nil { |
| 191 | w.render(rw, "admin_user", w.adminUserView(r, acct, err.Error()), http.StatusBadRequest) |
| 192 | return |
| 193 | } |
| 194 | w.noStore(rw) |
| 195 | w.render(rw, "admin_invite", w.adminInviteView(r, acct, inv), 0) |
| 196 | } |
| 197 | |
| 198 | func (w *Web) RevokeAdminUserSessions(rw http.ResponseWriter, r *http.Request) { |
| 199 | acct, _, ok := w.adminUserPost(rw, r) |
| 200 | if !ok { |
| 201 | return |
| 202 | } |
| 203 | if w.Sessions == nil { |
| 204 | w.serverError(rw, r, "sessions are unavailable") |
| 205 | return |
| 206 | } |
| 207 | if _, err := w.Sessions.RevokeAccount(acct.Name); err != nil { |
| 208 | w.serverError(rw, r, "cannot revoke sessions: "+err.Error()) |
| 209 | return |
| 210 | } |
| 211 | http.Redirect(rw, r, "/-/users/"+acct.Name, http.StatusSeeOther) |
| 212 | } |
| 213 | |
| 214 | func (w *Web) RemoveAdminUserKey(rw http.ResponseWriter, r *http.Request) { |
| 215 | acct, pr, ok := w.adminUserPost(rw, r) |
| 216 | if !ok { |
| 217 | return |
| 218 | } |
| 219 | fingerprint := strings.TrimSpace(r.PostFormValue("fingerprint")) |
| 220 | if fingerprint == "" { |
| 221 | w.render(rw, "admin_user", w.adminUserView(r, acct, "Choose a key to remove."), http.StatusBadRequest) |
| 222 | return |
| 223 | } |
| 224 | if err := w.Ident.RemoveKey(acct.Name, fingerprint, pr.account.Name); err != nil { |
| 225 | w.render(rw, "admin_user", w.adminUserView(r, acct, err.Error()), http.StatusBadRequest) |
| 226 | return |
| 227 | } |
| 228 | http.Redirect(rw, r, "/-/users/"+acct.Name, http.StatusSeeOther) |
| 229 | } |
| 230 |