Mercurial > openid
changeset 26:ee97bc0e08fa
Some default OPs, along with some tweaks to keep them happy
| author | Adam Chlipala <adam@chlipala.net> |
|---|---|
| date | Sun, 23 Jan 2011 14:57:49 -0500 |
| parents | c560ec5bf514 |
| children | f129ddee75f3 |
| files | src/c/openid.c src/ur/openid.ur src/ur/openidUser.ur src/ur/openidUser.urs |
| diffstat | 4 files changed, 142 insertions(+), 33 deletions(-) [+] |
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--- a/src/c/openid.c Thu Jan 20 12:23:44 2011 -0500 +++ b/src/c/openid.c Sun Jan 23 14:57:49 2011 -0500 @@ -10,13 +10,17 @@ #include <curl/curl.h> #include <expat.h> +#include <pthread.h> + #include <openid.h> #define BUF_MAX 10240 #define BUF_INIT 1024 -#define PRIME_LEN 64 -#define GENERATOR DH_GENERATOR_5 +#define DEFAULT_PRIME "DCF93A0B883972EC0E19989AC5A2CE310E1D37717E8D9571BB7623731866E61EF75A2E27898B057F9891C2E27A639C3F29B60814581CD3B2CA3986D2683705577D45C2E7E52DC81C7A171876E5CEA74B1448BFDFAF18828EFD2519F14E45E3826634AF1949E5B535CC829A483B8A76223E5D490A257F05BDFF16F2FB22C583AB" +#define DEFAULT_GENERATOR "2" + +static BIGNUM *default_prime, *default_generator; uw_Basis_string uw_OpenidFfi_endpoint(uw_context ctx, uw_OpenidFfi_discovery d) { return d.endpoint; @@ -26,9 +30,32 @@ return d.localId; } +static pthread_mutex_t *locks; + +static void locking_function(int mode, int n, const char *file, int line) { + if (mode & CRYPTO_LOCK) + pthread_mutex_lock(&locks[n]); + else + pthread_mutex_unlock(&locks[n]); +} + +static unsigned long id_function() { + return pthread_self(); +} + uw_unit uw_OpenidFfi_init(uw_context ctx) { + int nl = CRYPTO_num_locks(), i; + locks = malloc(sizeof(pthread_mutex_t) * nl); + for (i = 0; i < nl; ++i) + pthread_mutex_init(&locks[i], NULL); + + CRYPTO_set_locking_callback(locking_function); + CRYPTO_set_id_callback(id_function); curl_global_init(CURL_GLOBAL_ALL); + BN_hex2bn(&default_prime, DEFAULT_PRIME); + BN_dec2bn(&default_generator, DEFAULT_GENERATOR); + return uw_unit_v; } @@ -44,14 +71,20 @@ return r; } +typedef enum { NONE, SERVICE, TYPE, MATCHED, URI } xrds_mode; + typedef struct { uw_context ctx; uw_OpenidFfi_discovery *d; + xrds_mode mode; } endpoint; static void XMLCALL startElement(void *userData, const XML_Char *name, const XML_Char **atts) { endpoint *ep = userData; + if (!strncmp(name, "xrd:", 4)) + name += 4; + if (!strcmp(name, "link")) { const XML_Char **attp; int found = 0; @@ -72,6 +105,54 @@ } } } + else if (!strcmp(name, "Service")) + ep->mode = SERVICE; + else if (!strcmp(name, "Type")) { + if (ep->mode == SERVICE) + ep->mode = TYPE; + } + else if (!strcmp(name, "URI")) { + if (ep->mode == MATCHED) + ep->mode = URI; + } +} + +static char server[] = "http://specs.openid.net/auth/2.0/server"; +static char signon[] = "http://specs.openid.net/auth/2.0/signon"; + +static void XMLCALL cdata(void *userData, const XML_Char *s, int len) { + endpoint *ep = userData; + + switch (ep->mode) { + case TYPE: + if ((len == sizeof(server)-1 && !memcmp(server, s, sizeof(server)-1)) + || (len == sizeof(signon)-1 && !memcmp(signon, s, sizeof(signon)-1))) + ep->mode = MATCHED; + break; + case URI: + ep->d->endpoint = uw_malloc(ep->ctx, len+1); + memcpy(ep->d->endpoint, s, len); + ep->d->endpoint[len] = 0; + break; + default: + break; + } +} + +static void XMLCALL endElement(void *userData, const XML_Char *name) { + endpoint *ep = userData; + + if (!strncmp(name, "xrd:", 4)) + name += 4; + + if (!strcmp(name, "Service")) + ep->mode = NONE; + else if (!strcmp(name, "Type")) { + if (ep->mode != MATCHED) + ep->mode = SERVICE; + } + else if (!strcmp(name, "URI")) + ep->mode = MATCHED; } typedef struct { @@ -93,7 +174,7 @@ CURL *c = curl(ctx); curl_discovery_data cd = {}; uw_OpenidFfi_discovery *dy = uw_malloc(ctx, sizeof(uw_OpenidFfi_discovery)); - endpoint ep = {ctx, dy}; + endpoint ep = {ctx, dy, NONE}; CURLcode code; dy->endpoint = dy->localId = NULL; @@ -112,8 +193,10 @@ cd.parser = XML_ParserCreate(NULL); XML_SetUserData(cd.parser, &ep); uw_push_cleanup(ctx, (void (*)(void *))XML_ParserFree, cd.parser); - XML_SetStartElementHandler(cd.parser, startElement); + XML_SetElementHandler(cd.parser, startElement, endElement); + XML_SetCharacterDataHandler(cd.parser, cdata); + curl_easy_reset(c); curl_easy_setopt(c, CURLOPT_URL, id); curl_easy_setopt(c, CURLOPT_WRITEFUNCTION, write_discovery_data); curl_easy_setopt(c, CURLOPT_WRITEDATA, &cd); @@ -143,20 +226,6 @@ sprintf(hex, "%%%02X", (unsigned char)*s); uw_buffer_append(buf, hex, 3); } - - /*switch (*s) { - case '=': - uw_buffer_append(buf, "%3D", 3); - break; - case '&': - uw_buffer_append(buf, "%26", 3); - break; - case '%': - uw_buffer_append(buf, "%25", 3); - break; - default: - uw_buffer_append(buf, s, 1); - }*/ } } @@ -200,13 +269,13 @@ uw_buffer_append(inps, "", 1); + curl_easy_reset(c); curl_easy_setopt(c, CURLOPT_URL, url); curl_easy_setopt(c, CURLOPT_POSTFIELDS, inps->start); curl_easy_setopt(c, CURLOPT_WRITEFUNCTION, write_buffer_data); curl_easy_setopt(c, CURLOPT_WRITEDATA, buf); code = curl_easy_perform(c); - uw_buffer_append(buf, "", 1); if (code) { @@ -388,16 +457,18 @@ static void free_DH(void *data, int will_retry) { DH *dh = data; + dh->p = NULL; + dh->g = NULL; DH_free(dh); } uw_OpenidFfi_dh uw_OpenidFfi_generate(uw_context ctx) { DH *dh = DH_new(); + dh->p = default_prime; + dh->g = default_generator; uw_register_transactional(ctx, dh, NULL, NULL, free_DH); - DH_generate_parameters_ex(dh, PRIME_LEN, GENERATOR, NULL); - if (DH_generate_key(dh) != 1) uw_error(ctx, FATAL, "Diffie-Hellman key generation failed");
--- a/src/ur/openid.ur Thu Jan 20 12:23:44 2011 -0500 +++ b/src/ur/openid.ur Sun Jan 23 14:57:49 2011 -0500 @@ -383,18 +383,18 @@ | Some dy => case r.Association of Stateless => - redirect (bless (dy ^ "?openid.ns=http://specs.openid.net/auth/2.0&openid.mode=checkid_setup&openid.claimed_id=" - ^ eatFragment r.Identifier - ^ "&openid.identity=http://specs.openid.net/auth/2.0/identifier_select&openid.return_to=" - ^ show (effectfulUrl returnTo) ^ realmString)) + redirect (bless (dy ^ "?openid.ns=http://specs.openid.net/auth/2.0&openid.mode=checkid_setup" + ^ "&openid.claimed_id=http://specs.openid.net/auth/2.0/identifier_select" + ^ "&openid.identity=http://specs.openid.net/auth/2.0/identifier_select&openid.assoc_handle=" + ^ "&openid.return_to=" ^ show (effectfulUrl returnTo) ^ realmString)) | Stateful ar => assoc <- association ar.AssociationType ar.AssociationSessionType dy; case assoc of AssError msg => return ("Association failure: " ^ msg) | AssAlternate _ => return "Association failure: server didn't accept its own alternate association modes" | Association assoc => - redirect (bless (dy ^ "?openid.ns=http://specs.openid.net/auth/2.0&openid.mode=checkid_setup&openid.claimed_id=" - ^ eatFragment r.Identifier + redirect (bless (dy ^ "?openid.ns=http://specs.openid.net/auth/2.0&openid.mode=checkid_setup" + ^ "&openid.claimed_id=http://specs.openid.net/auth/2.0/identifier_select" ^ "&openid.identity=http://specs.openid.net/auth/2.0/identifier_select&openid.assoc_handle=" ^ assoc.Handle ^ "&openid.return_to=" ^ show (effectfulUrl returnTo) ^ realmString)) end
--- a/src/ur/openidUser.ur Thu Jan 20 12:23:44 2011 -0500 +++ b/src/ur/openidUser.ur Sun Jan 23 14:57:49 2011 -0500 @@ -1,3 +1,10 @@ +style provider + +style aol +style google +style myspace +style yahoo + functor Make(M: sig con cols :: {Type} constraint [Id] ~ cols @@ -251,12 +258,33 @@ error <xml>Login with your identity provider failed: {[msg]}</xml> fun signup after = - wrap "Account Signup" <xml> - <form> - OpenID Identifier: <textbox{#Identifier}/><br/> - <submit value="Sign Up" action={doSignup after}/> - </form> - </xml> + let + fun fixed cls label url = + let + fun doFixedButton () = + doSignup after {Identifier = url} + in + <xml><form class={provider}> + <submit class={cls} value={label} action={doFixedButton}/> + </form></xml> + end + in + wrap "Account Signup" <xml> + <p>This web site uses the <b><a href="http://openid.net/">OpenID</a></b> standard, which lets you log in using your account from one of several popular web sites, without revealing your password to us.</p> + + <p>You may click one of these buttons to choose to use your account from that site:</p> + {fixed aol "AOL" "https://openid.aol.com/"} + {fixed google "Google" "https://www.google.com/accounts/o8/id"} + {fixed myspace "Myspace" "https://www.myspace.com/openid"} + {fixed yahoo "Yahoo!" "https://me.yahoo.com/"} + + <p>Visitors familiar with the details of OpenID may also enter their own identifiers:</p> + <form> + OpenID Identifier: <textbox{#Identifier}/><br/> + <submit value="Sign Up" action={doSignup after}/> + </form> + </xml> + end in cur <- current; here <- currentUrl;
--- a/src/ur/openidUser.urs Thu Jan 20 12:23:44 2011 -0500 +++ b/src/ur/openidUser.urs Sun Jan 23 14:57:49 2011 -0500 @@ -87,3 +87,13 @@ * which will be a log out or sign up link. *) end + +(* Functor outputs will contain buttons specialized to particular well-known + * OpenID providers. Use these CSS classes to style those buttons. *) +style aol +style google +style myspace +style yahoo + +(* This style is used by forms containing the above buttons. *) +style provider